This page is part of the US Core (v8.0.0: STU8) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions. Page versions: R8 R7 R6 R5 R4 R3

Terminology

Page standards status: Trial-use

This page lists all the ValueSets, CodeSystems, and ConceptMaps defined as part of the US Core Implementation Guide. For more information on using codes in US Core, see the FHIR Terminology section in the FHIR specification and the Coded Elements section in this guide.

Value Sets

Most value sets used in this guide are defined in the base FHIR specification, HL7 Terminology (THO), or Value Set Authority Center (VSAC)]. However, US Core also defines several value sets and they are listed below.

Value sets in US Core and C-CDA may retain inactive codes. These codes may be useful for historical queries but are not recommended for new data. Implementers should note that some code systems exclude inactive codes from current expansions; if needed, these codes may be accessible through prior expansions via terminology services. HL7 recommends validators allow non-active codes with note on their status.

• US Core Narrative Status
• US Core Clinical Note Type
• US Core Clinical Result Observation Category
• US Core Condition Codes
• US Core Condition Codes Current
• US Core Diagnostic Report Category Codes
• US Core DocumentReference Category
• US Core DocumentReference Type
• US Core Goal Codes
• US Core Laboratory Test Codes
• US Core Non Laboratory Codes
• US Core Status for Smoking Status Observation
• US Core Problem or Health Concern
• US Core Procedure Codes
• US Core Provenance Participant Type Codes
• US Core Screening Assessment Condition Category
• US Core Screening Assessment Observation Category
• US Core Screening Assessment Observation Maximum Category
• US Core ServiceRequest Category Codes
• US Core Simple Observation Category
• US Core Specimen Condition

Value Sets Used in US Core

The following table lists all the Value sets used in US Core and where they can be found. This information is also available as a csv or excel file.

Value Set Sources:

• VSAC
• FHIR
• US CORE
• PHINVADS
• THO

Row #	Value Set	Profiles Where Used	Source
1		StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	FHIR
2	ActEncounterCode	StructureDefinition/us-core-encounter	THO
3	ActPharmacySupplyType	StructureDefinition/us-core-medicationdispense	THO
4	ActPriority	StructureDefinition/us-core-encounter	THO
5	ActSubstanceAdminSubstitutionCode	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	THO
6	AddressType	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-location StructureDefinition/us-core-organization	FHIR
7	AddressUse	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-location StructureDefinition/us-core-organization	FHIR
8	AdministrativeGender	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-relatedperson	FHIR
9	Admit source	StructureDefinition/us-core-encounter	FHIR
10	Advance Healthcare Directive Categories LOINC	StructureDefinition/us-core-adi-documentreference	VSAC
11	Advance Healthcare Directive Document Types Grouper	StructureDefinition/us-core-adi-documentreference	VSAC
12	AllergyIntolerance Clinical Status Codes	StructureDefinition/us-core-allergyintolerance	FHIR
13	AllergyIntolerance Verification Status Codes	StructureDefinition/us-core-allergyintolerance	FHIR
14	AllergyIntoleranceCategory	StructureDefinition/us-core-allergyintolerance	FHIR
15	AllergyIntoleranceCriticality	StructureDefinition/us-core-allergyintolerance	FHIR
16	AllergyIntoleranceSeverity	StructureDefinition/us-core-allergyintolerance	FHIR
17	AllergyIntoleranceType	StructureDefinition/us-core-allergyintolerance	FHIR
18	Answer Set with Yes No and Unknowns	StructureDefinition/us-core-interpreter-needed StructureDefinition/us-core-observation-adi-documentation	VSAC
19	Birth Sex	StructureDefinition/us-core-birthsex	VSAC
20	Body Length Units	StructureDefinition/us-core-head-circumference StructureDefinition/us-core-body-height	FHIR
21	Body Temperature Units	StructureDefinition/us-core-body-temperature	FHIR
22	Body Weight Units	StructureDefinition/us-core-body-weight	FHIR
23	CMS Place of Service Codes (POS)	StructureDefinition/us-core-location	THO
24	CVX Vaccines Administered Vaccine Set	StructureDefinition/us-core-immunization	VSAC
25	Care Plan Activity Kind	StructureDefinition/us-core-careplan	FHIR
26	Care Plan Activity Outcome	StructureDefinition/us-core-careplan	FHIR
27	Care Plan Category	StructureDefinition/us-core-careplan	FHIR
28	Care Plan Intent	StructureDefinition/us-core-careplan	FHIR
29	Care Team Member Function	StructureDefinition/us-core-careteam StructureDefinition/us-core-practitionerrole	VSAC
30	Care Team category	StructureDefinition/us-core-careteam	FHIR
31	CarePlanActivityStatus	StructureDefinition/us-core-careplan	FHIR
32	CareTeamStatus	StructureDefinition/us-core-careteam	FHIR
33	Codes for Immunization Site of Administration	StructureDefinition/us-core-immunization	FHIR
34	Common Languages	StructureDefinition/us-core-specimen StructureDefinition/us-core-documentreference StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-procedure StructureDefinition/us-core-observation-lab StructureDefinition/us-core-vital-signs StructureDefinition/us-core-careplan StructureDefinition/us-core-organization StructureDefinition/us-core-adi-documentreference StructureDefinition/us-core-practitioner StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/us-core-practitionerrole StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-body-height StructureDefinition/us-core-patient StructureDefinition/us-core-provenance StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-questionnaireresponse StructureDefinition/us-core-condition-encounter-diagnosis StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-implantable-device StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-medicationdispense StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-diagnosticreport-lab StructureDefinition/us-core-encounter StructureDefinition/us-core-bmi StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-coverage StructureDefinition/us-core-servicerequest StructureDefinition/us-core-simple-observation StructureDefinition/us-core-diagnosticreport-note StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-medication StructureDefinition/us-core-careteam StructureDefinition/us-core-goal StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-relatedperson StructureDefinition/us-core-immunization StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-location StructureDefinition/us-core-observation-adi-documentation StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-allergyintolerance StructureDefinition/us-core-blood-pressure	FHIR
35	Common Tags	StructureDefinition/us-core-diagnosticreport-lab StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-encounter StructureDefinition/us-core-observation-lab	FHIR
36	Common substances for allergy and intolerance documentation including refutations	StructureDefinition/us-core-allergyintolerance	VSAC
37	CompositionStatus	StructureDefinition/us-core-adi-documentreference StructureDefinition/us-core-documentreference	FHIR
38	Condition Category Codes	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
39	Condition Clinical Status Codes	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
40	Condition Stage	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
41	Condition Stage Type	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
42	Condition/Diagnosis Severity	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
43	Condition/Problem/Diagnosis Codes	StructureDefinition/us-core-procedure	FHIR
44	ConditionVerificationStatus	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
45	Contact entity type	StructureDefinition/us-core-organization	FHIR
46	ContactPointSystem	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-practitionerrole StructureDefinition/us-core-organization	FHIR
47	ContactPointUse	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-practitionerrole StructureDefinition/us-core-organization	FHIR
48	Coverage Class Codes	StructureDefinition/us-core-coverage	FHIR
49	Coverage Copay Type Codes	StructureDefinition/us-core-coverage	FHIR
50	DataAbsentReason	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-bmi StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-observation-screening-assessment StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-adi-documentation StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
51	DaysOfWeek	StructureDefinition/us-core-practitionerrole StructureDefinition/us-core-location	FHIR
52	Detailed Ethnicity Including Absence Reasons	StructureDefinition/us-core-ethnicity	VSAC
53	Detailed race including absence reasons.	StructureDefinition/us-core-race	VSAC
54	DeviceNameType	StructureDefinition/us-core-implantable-device	FHIR
55	DiagnosisRole	StructureDefinition/us-core-encounter	FHIR
56	Diagnostic Service Section Codes	StructureDefinition/us-core-diagnosticreport-note StructureDefinition/us-core-diagnosticreport-lab	FHIR
57	DiagnosticReportStatus	StructureDefinition/us-core-diagnosticreport-note StructureDefinition/us-core-diagnosticreport-lab	FHIR
58	Diet	StructureDefinition/us-core-encounter	FHIR
59	Document Class Value Set	StructureDefinition/us-core-adi-documentreference StructureDefinition/us-core-documentreference	FHIR
60	Document Type Value Set	OperationDefinition/docref	FHIR
61	DocumentReferenceStatus	StructureDefinition/us-core-adi-documentreference StructureDefinition/us-core-documentreference	FHIR
62	DocumentRelationshipType	StructureDefinition/us-core-adi-documentreference StructureDefinition/us-core-documentreference	FHIR
63	DoseAndRateType	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	FHIR
64	Encounter Reason Codes	StructureDefinition/us-core-encounter	FHIR
65	Encounter Type	StructureDefinition/us-core-encounter	VSAC
66	EncounterLocationStatus	StructureDefinition/us-core-encounter	FHIR
67	EncounterStatus	StructureDefinition/us-core-encounter	FHIR
68	Ethnicity Categories	StructureDefinition/us-core-ethnicity	VSAC
69	EventStatus	StructureDefinition/us-core-procedure	FHIR
70	Example Coverage Financial Exception Codes	StructureDefinition/us-core-coverage	FHIR
71	FHIR Device Types	StructureDefinition/us-core-implantable-device StructureDefinition/us-core-procedure	FHIR
72	FHIR Specimen Collection Method	StructureDefinition/us-core-specimen	FHIR
73	FHIRDeviceStatus	StructureDefinition/us-core-implantable-device	FHIR
74	FHIRDeviceStatusReason	StructureDefinition/us-core-implantable-device	FHIR
75	Facility Type Code Value Set	StructureDefinition/us-core-adi-documentreference StructureDefinition/us-core-documentreference	FHIR
76	Federal Administrative Sex	StructureDefinition/us-core-sex	VSAC
77	Financial Resource Status Codes	StructureDefinition/us-core-coverage	FHIR
78	Gender Identity	StructureDefinition/us-core-genderIdentity	VSAC
79	Goal achievement status	StructureDefinition/us-core-goal	FHIR
80	Goal category	StructureDefinition/us-core-goal	FHIR
81	Goal priority	StructureDefinition/us-core-goal	FHIR
82	Goal start event	StructureDefinition/us-core-goal	FHIR
83	GoalLifecycleStatus	StructureDefinition/us-core-goal	FHIR
84	HL7 ValueSet of Format Codes for use with Document Sharing	StructureDefinition/us-core-adi-documentreference StructureDefinition/us-core-documentreference	THO
85	Healthcare Provider Taxonomy	StructureDefinition/us-core-practitionerrole	VSAC
86	Healthcare Service Location Type Combined	StructureDefinition/us-core-location	VSAC
87	IdentifierType	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-encounter StructureDefinition/us-core-coverage StructureDefinition/us-core-organization	FHIR
88	IdentifierUse	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-encounter StructureDefinition/us-core-coverage StructureDefinition/us-core-organization	FHIR
89	Immunization Function Codes	StructureDefinition/us-core-immunization	FHIR
90	Immunization Funding Source	StructureDefinition/us-core-immunization	FHIR
91	Immunization Origin Codes	StructureDefinition/us-core-immunization	FHIR
92	Immunization Program Eligibility	StructureDefinition/us-core-immunization	FHIR
93	Immunization Reason Codes	StructureDefinition/us-core-immunization	FHIR
94	Immunization Route Codes	StructureDefinition/us-core-immunization	FHIR
95	Immunization Status Codes	StructureDefinition/us-core-immunization	FHIR
96	Immunization Status Reason Codes	StructureDefinition/us-core-immunization	FHIR
97	Immunization Subpotent Reason	StructureDefinition/us-core-immunization	FHIR
98	Immunization Target Disease Codes	StructureDefinition/us-core-immunization	FHIR
99	Industry NAICS Detail (ODH)	StructureDefinition/us-core-observation-occupation	PHINVADS
100	Information Source for Medication Adherence	StructureDefinition/us-core-medication-adherence	VSAC
101	LOINC Codes	StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-goal StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-observation-lab StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-simple-observation StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-adi-documentation StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-smokingstatus	FHIR
102	Languages	StructureDefinition/us-core-patient	THO
103	LinkType	StructureDefinition/us-core-patient	FHIR
104	Location type	StructureDefinition/us-core-encounter StructureDefinition/us-core-location	FHIR
105	LocationMode	StructureDefinition/us-core-location	FHIR
106	LocationStatus	StructureDefinition/us-core-location	FHIR
107	Manifestation and Symptom Codes	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	FHIR
108	MaritalStatus	StructureDefinition/us-core-patient	FHIR
109	Medication status codes	StructureDefinition/us-core-medication	FHIR
110	Medication Adherence	StructureDefinition/us-core-medication-adherence	VSAC
111	Medication Clinical Drug	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medication StructureDefinition/us-core-medicationdispense	VSAC
112	Medication dispense category codes	StructureDefinition/us-core-medicationdispense	FHIR
113	Medication dispense performer function codes	StructureDefinition/us-core-medicationdispense	FHIR
114	Medication dispense status codes	StructureDefinition/us-core-medicationdispense	FHIR
115	Medication dispense status reason codes	StructureDefinition/us-core-medicationdispense	FHIR
116	Medication request category codes	StructureDefinition/us-core-medicationrequest	FHIR
117	Medication request course of therapy codes	StructureDefinition/us-core-medicationrequest	FHIR
118	Medication request intent	StructureDefinition/us-core-medicationrequest	FHIR
119	Medication request status reason codes	StructureDefinition/us-core-medicationrequest	FHIR
120	Medicationrequest status	StructureDefinition/us-core-medicationrequest	FHIR
121	MimeType	StructureDefinition/us-core-adi-documentreference StructureDefinition/us-core-documentreference	FHIR
122	NameUse	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient	FHIR
123	Observation Category Codes	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-bmi StructureDefinition/us-core-observation-lab StructureDefinition/us-core-observation-clinical-result StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-vital-signs StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-body-height StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-blood-pressure	FHIR
124	Observation Interpretation Codes	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-bmi StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-observation-screening-assessment StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-adi-documentation StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
125	Observation Methods	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-bmi StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-observation-screening-assessment StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-adi-documentation StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
126	Observation Reference Range Applies To Codes	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-bmi StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-observation-screening-assessment StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-adi-documentation StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
127	Observation Reference Range Meaning Codes	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-bmi StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-observation-screening-assessment StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-adi-documentation StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
128	ObservationStatus	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-bmi StructureDefinition/us-core-vital-signs StructureDefinition/us-core-simple-observation StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/us-core-body-height StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-observation-screening-assessment StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-adi-documentation StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
129	Occupation ONETSOC Detail (ODH)	StructureDefinition/us-core-observation-occupation	PHINVADS
130	Organization type	StructureDefinition/us-core-organization	FHIR
131	Participant Roles	StructureDefinition/us-core-servicerequest	FHIR
132	Participant type	StructureDefinition/us-core-encounter	FHIR
133	Patient Contact Relationship	StructureDefinition/us-core-patient	FHIR
134	Patient relationship type	StructureDefinition/us-core-relatedperson	FHIR
135	Payer Type	StructureDefinition/us-core-coverage	VSAC
136	Practice Setting Code Value Set	StructureDefinition/us-core-adi-documentreference StructureDefinition/us-core-documentreference	FHIR
137	Pregnancy Intention	StructureDefinition/us-core-observation-pregnancyintent	VSAC
138	Pregnancy Status Observation	StructureDefinition/us-core-observation-pregnancystatus	VSAC
139	Procedure Category Codes (SNOMED CT)	StructureDefinition/us-core-procedure	FHIR
140	Procedure Codes (SNOMED CT)	StructureDefinition/us-core-careplan	FHIR
141	Procedure Device Action Codes	StructureDefinition/us-core-procedure	FHIR
142	Procedure Follow up Codes (SNOMED CT)	StructureDefinition/us-core-procedure	FHIR
143	Procedure Not Performed Reason (SNOMED-CT)	StructureDefinition/us-core-procedure	FHIR
144	Procedure Outcome Codes (SNOMED CT)	StructureDefinition/us-core-procedure	FHIR
145	Procedure Performer Role Codes	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-procedure	FHIR
146	Provenance activity type	StructureDefinition/us-core-provenance	FHIR
147	ProvenanceEntityRole	StructureDefinition/us-core-provenance	FHIR
148	PurposeOfUse	StructureDefinition/us-core-provenance	THO
149	QuantityComparator	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-bmi StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-body-weight StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-body-height StructureDefinition/us-core-blood-pressure	FHIR
150	Questionnaire Answer Codes	StructureDefinition/us-core-questionnaireresponse	FHIR
151	QuestionnaireResponseStatus	StructureDefinition/us-core-questionnaireresponse	FHIR
152	Race Categories	StructureDefinition/us-core-race	VSAC
153	Request priority	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-servicerequest	FHIR
154	RequestIntent	StructureDefinition/us-core-servicerequest	FHIR
155	RequestStatus	StructureDefinition/us-core-careplan StructureDefinition/us-core-servicerequest	FHIR
156	ResourceType	StructureDefinition/us-core-provenance	FHIR
157	Route of Administration of Therapeutic Agents	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	VSAC
158	SNOMED CT Additional Dosage Instructions	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	FHIR
159	SNOMED CT Administration Method Codes	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	FHIR
160	SNOMED CT Anatomical Structure for Administration Site Codes	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	FHIR
161	SNOMED CT Body Structures	StructureDefinition/us-core-specimen StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-observation-pregnancyintent StructureDefinition/us-core-procedure StructureDefinition/us-core-observation-lab StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-bmi StructureDefinition/us-core-vital-signs StructureDefinition/us-core-servicerequest StructureDefinition/us-core-simple-observation StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/us-core-body-height StructureDefinition/us-core-smokingstatus StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-observation-clinical-result StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-observation-screening-assessment StructureDefinition/us-core-condition-encounter-diagnosis StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-observation-pregnancystatus StructureDefinition/us-core-body-weight StructureDefinition/us-core-observation-occupation StructureDefinition/us-core-average-blood-pressure StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-adi-documentation StructureDefinition/us-core-observation-sexual-orientation StructureDefinition/us-core-blood-pressure	FHIR
162	SNOMED CT Clinical Findings	StructureDefinition/us-core-diagnosticreport-note StructureDefinition/us-core-diagnosticreport-lab StructureDefinition/us-core-goal StructureDefinition/us-core-careteam StructureDefinition/us-core-careplan StructureDefinition/us-core-allergyintolerance	FHIR
163	SNOMED CT Form Codes	StructureDefinition/us-core-medication	FHIR
164	SNOMED CT Medication As Needed Reason Codes	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense StructureDefinition/us-core-servicerequest	FHIR
165	SNOMED CT Medication Codes	StructureDefinition/us-core-careplan	FHIR
166	SNOMED CT Route Codes	StructureDefinition/us-core-allergyintolerance	FHIR
167	Screening and Assessment Survey Codes	StructureDefinition/us-core-observation-screening-assessment	VSAC
168	SecurityLabels	StructureDefinition/us-core-adi-documentreference StructureDefinition/us-core-diagnosticreport-lab StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-documentreference StructureDefinition/us-core-encounter StructureDefinition/us-core-observation-lab	FHIR
169	SecurityRoleType	StructureDefinition/us-core-provenance	FHIR
170	Service Request Category Codes	ValueSet/us-core-servicerequest-category StructureDefinition/us-core-servicerequest	FHIR
171	Service Request Order Details Codes	StructureDefinition/us-core-servicerequest	FHIR
172	Service type	StructureDefinition/us-core-encounter	FHIR
173	ServiceDeliveryLocationRoleType	StructureDefinition/us-core-location StructureDefinition/us-core-servicerequest	THO
174	Sexual Orientation Including nulls and Data Absent Reason	StructureDefinition/us-core-observation-sexual-orientation	VSAC
175	Smoking Status Type	StructureDefinition/us-core-smokingstatus	VSAC
176	Smoking status comprehensive	StructureDefinition/us-core-smokingstatus	VSAC
177	Social Determinants of Health Goals	StructureDefinition/us-core-goal	VSAC
178	Special arrangements	StructureDefinition/us-core-encounter	FHIR
179	Special courtesy	StructureDefinition/us-core-encounter	FHIR
180	Specimen Condition SCT	ValueSet/us-core-specimen-condition	VSAC
181	Specimen Container Type	StructureDefinition/us-core-specimen	FHIR
182	Specimen processing procedure	StructureDefinition/us-core-specimen	FHIR
183	Specimen type	StructureDefinition/us-core-specimen	VSAC
184	SpecimenStatus	StructureDefinition/us-core-specimen	FHIR
185	SubscriberPolicyholder Relationship Codes	StructureDefinition/us-core-coverage	FHIR
186	Substance Code	StructureDefinition/us-core-allergyintolerance	FHIR
187	SubstanceAdminSubstitutionReason	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-medicationdispense	THO
188	TribalEntityUS	StructureDefinition/us-core-tribal-affiliation	THO
189	UDIEntryType	StructureDefinition/us-core-implantable-device	FHIR
190	US Core Clinical Note Type		US CORE
191	US Core Clinical Result Observation Category	StructureDefinition/us-core-observation-lab StructureDefinition/us-core-observation-clinical-result	US CORE
192	US Core Condition Codes	StructureDefinition/us-core-medicationrequest StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-procedure StructureDefinition/us-core-servicerequest StructureDefinition/us-core-condition-encounter-diagnosis	US CORE
193	US Core Condition Codes Current	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-condition-encounter-diagnosis	US CORE
194	US Core Diagnostic Report Category Codes	StructureDefinition/us-core-diagnosticreport-note	US CORE
195	US Core DocumentReference Category	StructureDefinition/us-core-documentreference	US CORE
196	US Core DocumentReference Type	StructureDefinition/us-core-documentreference	US CORE
197	US Core Goal Codes	StructureDefinition/us-core-goal	US CORE
198	US Core Laboratory Test Codes	StructureDefinition/us-core-diagnosticreport-lab StructureDefinition/us-core-observation-lab	US CORE
199	US Core Narrative Status	StructureDefinition/us-core-careplan	US CORE
200	US Core Non Laboratory Codes	StructureDefinition/us-core-diagnosticreport-note	US CORE
201	US Core Problem or Health Concern	StructureDefinition/us-core-condition-problems-health-concerns	US CORE
202	US Core Procedure Codes	StructureDefinition/us-core-procedure StructureDefinition/us-core-servicerequest	US CORE
203	US Core Provenance Participant Type Codes	StructureDefinition/us-core-provenance	US CORE
204	US Core Screening Assessment Condition Category		US CORE
205	US Core Screening Assessment Observation Category	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-observation-screening-assessment	US CORE
206	US Core Screening Assessment Observation Maximum Category	StructureDefinition/us-core-observation-screening-assessment	US CORE
207	US Core ServiceRequest Category Codes	StructureDefinition/us-core-servicerequest	US CORE
208	US Core Simple Observation Category	StructureDefinition/us-core-condition-problems-health-concerns StructureDefinition/us-core-care-experience-preference StructureDefinition/us-core-treatment-intervention-preference StructureDefinition/us-core-observation-adi-documentation StructureDefinition/us-core-simple-observation	US CORE
209	US Core Specimen Condition	StructureDefinition/us-core-specimen	US CORE
210	US Core Status for Smoking Status Observation	StructureDefinition/us-core-smokingstatus	US CORE
211	USEncounterDischargeDisposition	StructureDefinition/us-core-encounter	THO
212	USPS Two Letter Alphabetic Codes	StructureDefinition/us-core-practitioner StructureDefinition/us-core-patient StructureDefinition/us-core-location StructureDefinition/us-core-organization StructureDefinition/us-core-jurisdiction	THO
213	UnitsOfMeasureCaseSensitive	StructureDefinition/us-core-smokingstatus	THO
214	Vital Sign Result Type	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-bmi StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-vital-signs StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-body-weight StructureDefinition/us-core-body-height StructureDefinition/us-core-blood-pressure	VSAC
215	Vital Signs Units	StructureDefinition/pediatric-bmi-for-age StructureDefinition/us-core-pulse-oximetry StructureDefinition/us-core-bmi StructureDefinition/head-occipital-frontal-circumference-percentile StructureDefinition/us-core-respiratory-rate StructureDefinition/us-core-body-temperature StructureDefinition/us-core-vital-signs StructureDefinition/us-core-heart-rate StructureDefinition/us-core-head-circumference StructureDefinition/pediatric-weight-for-height StructureDefinition/us-core-body-weight StructureDefinition/us-core-body-height StructureDefinition/us-core-blood-pressure	FHIR
216	hl7VS-additivePreservative	StructureDefinition/us-core-specimen	THO
217	hl7VS-bedStatus	StructureDefinition/us-core-location	THO
218	hl7VS-re-admissionIndicator	StructureDefinition/us-core-encounter	THO
219	hl7VS-relevantClincialInformation	StructureDefinition/us-core-specimen	THO
220	hl7VS-specimenCondition	ValueSet/us-core-specimen-condition	THO
221	v2 table 0360	FHIR Value set/code system definition for HL7 v2 table 0360 ver 2.9 ( Degree/License/Certificate)	THO
222	v3 Code System ActCode	StructureDefinition/us-core-adi-documentreference StructureDefinition/us-core-documentreference	THO

Code Systems

See the FHIR terminology section for a complete discussion on code systems and a list of code system names used in FHIR. Most code systems used in this guide are defined in the base FHIR specification. However, the following code systems are unique to this guide and not listed in the base FHIR specification. If a URI is listed here, it SHALL be used in the US Core profiles to identify the code system in preference to any other code system URI.

Code systems published in this IG*- Includes US Core defined code systems and externally defined code systems

• US Core CarePlan Category Extension Codes
• US Core Category
• US Core Condition Category Extension Codes
• US Core DocumentReferences Category Codes
• US Core Provenance Participant Type Extension Codes

Externally Published code systems

URI	Source	Comment	OID (for non-FHIR systems)
https://www.cms.gov/Medicare/Coding/HCPCSReleaseCodeSets	CMS	Healthcare Common Procedure Coding System (HCPCS) Level II alphanumeric codes	2.16.840.1.113883.6.285
http://www.cms.gov/Medicare/Coding/ICD10	CMS	International Classification of Diseases, 10th Revision, Procedure Coding System (ICD-10-PCS) - See ICD-10 PCS Codes for online access to codes for general information purposes.	2.16.840.1.113883.6.4
http://www.ada.org/cdt	ADA	Code on Dental Procedures and Nomenclature	2.16.840.1.113883.6.13
https://www.usps.com	USPS	United States Postal Service Two–Letter State and Possession Abbreviations	2.16.840.1.113883.6.92

Code System Used in US Core

The following table lists all the CodeSystems used in US Core and where they can be found. This information is also available as a csv or excel file.

Code System Sources:

• FHIR
• US CORE
• THO
• SNOMED
• LOINC
• UCUM
• CDC
• Code systems published by other standards organizations

Row #	Code System	Code System URI	Value Sets Where Used	Source
1		http://dicom.nema.org/resources/ontology/DCM	ValueSet/security-role-type	Other
2	ActCode	http://terminology.hl7.org/CodeSystem/v3-ActCode	ValueSet/v3-ActPharmacySupplyType ValueSet/v3-ActCode ValueSet/provenance-activity-type ValueSet/v3-ActEncounterCode	THO
3	ActPriority	http://terminology.hl7.org/CodeSystem/v3-ActPriority	ValueSet/v3-ActPriority	THO
4	ActReason	http://terminology.hl7.org/CodeSystem/v3-ActReason	ValueSet/v3-PurposeOfUse ValueSet/immunization-status-reason ValueSet/v3-SubstanceAdminSubstitutionReason	THO
5	ActSite	http://terminology.hl7.org/CodeSystem/v3-ActSite	ValueSet/immunization-site	THO
6	AddressType	http://hl7.org/fhir/address-type	ValueSet/address-type	FHIR
7	AddressUse	http://hl7.org/fhir/address-use	ValueSet/address-use	FHIR
8	AdministrativeGender	http://hl7.org/fhir/administrative-gender	ValueSet/administrative-gender	FHIR
9	Admit source	http://terminology.hl7.org/CodeSystem/admit-source	ValueSet/encounter-admit-source	THO
10	AllergyIntolerance Clinical Status Codes	http://terminology.hl7.org/CodeSystem/allergyintolerance-clinical	ValueSet/allergyintolerance-clinical	THO
11	AllergyIntolerance Verification Status	http://terminology.hl7.org/CodeSystem/allergyintolerance-verification	ValueSet/allergyintolerance-verification	THO
12	AllergyIntoleranceCategory	http://hl7.org/fhir/allergy-intolerance-category	ValueSet/allergy-intolerance-category	FHIR
13	AllergyIntoleranceCriticality	http://hl7.org/fhir/allergy-intolerance-criticality	ValueSet/allergy-intolerance-criticality	FHIR
14	AllergyIntoleranceSeverity	http://hl7.org/fhir/reaction-event-severity	ValueSet/reaction-event-severity	FHIR
15	AllergyIntoleranceType	http://hl7.org/fhir/allergy-intolerance-type	ValueSet/allergy-intolerance-type	FHIR
16	CMS Place of Service Codes (POS)	https://www.cms.gov/Medicare/Coding/place-of-service-codes/Place_of_Service_Code_Set	ValueSet/CMSPlaceOfServiceCodes	Other
17	CarePlanActivityStatus	http://hl7.org/fhir/care-plan-activity-status	ValueSet/care-plan-activity-status	FHIR
18	CareTeamStatus	http://hl7.org/fhir/care-team-status	ValueSet/care-team-status	FHIR
19	Code on Dental Procedures and Nomenclature	http://www.ada.org/cdt	ValueSet/us-core-procedure-code	Other
20	Common Tags	http://terminology.hl7.org/CodeSystem/common-tags	ValueSet/common-tags	THO
21	CompositionStatus	http://hl7.org/fhir/composition-status	ValueSet/composition-status	FHIR
22	Condition Category Codes	http://terminology.hl7.org/CodeSystem/condition-category	ValueSet/condition-category ValueSet/us-core-problem-or-health-concern	THO
23	Condition Clinical Status Codes	http://terminology.hl7.org/CodeSystem/condition-clinical	ValueSet/condition-clinical	THO
24	ConditionVerificationStatus	http://terminology.hl7.org/CodeSystem/condition-ver-status	ValueSet/condition-ver-status	THO
25	Contact entity type	http://terminology.hl7.org/CodeSystem/contactentity-type	ValueSet/contactentity-type	THO
26	ContactPointSystem	http://hl7.org/fhir/contact-point-system	ValueSet/contact-point-system	FHIR
27	ContactPointUse	http://hl7.org/fhir/contact-point-use	ValueSet/contact-point-use	FHIR
28	Contract Signer Type Codes	http://terminology.hl7.org/CodeSystem/contractsignertypecodes	ValueSet/security-role-type	THO
29	Coverage Class Codes	http://terminology.hl7.org/CodeSystem/coverage-class	ValueSet/coverage-class	THO
30	Coverage Copay Type Codes	http://terminology.hl7.org/CodeSystem/coverage-copay-type	ValueSet/coverage-copay-type	THO
31	Current Procedural Terminology (CPT®)	http://www.ama-assn.org/go/cpt	ValueSet/us-core-procedure-code	Other
32	DataAbsentReason	http://terminology.hl7.org/CodeSystem/data-absent-reason	ValueSet/data-absent-reason	THO
33	DataOperation	http://terminology.hl7.org/CodeSystem/v3-DataOperation	ValueSet/provenance-activity-type	THO
34	DaysOfWeek	http://hl7.org/fhir/days-of-week	ValueSet/days-of-week	FHIR
35	DeviceNameType	http://hl7.org/fhir/device-nametype	ValueSet/device-nametype	FHIR
36	Diagnosis Role	http://terminology.hl7.org/CodeSystem/diagnosis-role	ValueSet/diagnosis-role	THO
37	DiagnosticReportStatus	http://hl7.org/fhir/diagnostic-report-status	ValueSet/diagnostic-report-status	FHIR
38	Diet	http://terminology.hl7.org/CodeSystem/diet	ValueSet/encounter-diet	THO
39	DocumentCompletion	http://terminology.hl7.org/CodeSystem/v3-DocumentCompletion	ValueSet/provenance-activity-type	THO
40	DocumentReferenceStatus	http://hl7.org/fhir/document-reference-status	ValueSet/document-reference-status	FHIR
41	DocumentRelationshipType	http://hl7.org/fhir/document-relationship-type	ValueSet/document-relationship-type	FHIR
42	DoseAndRateType	http://terminology.hl7.org/CodeSystem/dose-rate-type	ValueSet/dose-rate-type	THO
43	EncounterLocationStatus	http://hl7.org/fhir/encounter-location-status	ValueSet/encounter-location-status	FHIR
44	EncounterSpecialCourtesy	http://terminology.hl7.org/CodeSystem/v3-EncounterSpecialCourtesy	ValueSet/encounter-special-courtesy	THO
45	EncounterStatus	http://hl7.org/fhir/encounter-status	ValueSet/encounter-status	FHIR
46	EventStatus	http://hl7.org/fhir/event-status	ValueSet/immunization-status ValueSet/event-status	FHIR
47	Example Coverage Financial Exception Codes	http://terminology.hl7.org/CodeSystem/ex-coverage-financial-exception	ValueSet/coverage-financial-exception	THO
48	FHIRDeviceStatus	http://hl7.org/fhir/device-status	ValueSet/device-status	FHIR
49	FHIRDeviceStatusReason	http://terminology.hl7.org/CodeSystem/device-status-reason	ValueSet/device-status-reason	THO
50	Financial Resource Status Codes	http://hl7.org/fhir/fm-status	ValueSet/fm-status	FHIR
51	Goal achievement status	http://terminology.hl7.org/CodeSystem/goal-achievement	ValueSet/goal-achievement	THO
52	Goal category	http://terminology.hl7.org/CodeSystem/goal-category	ValueSet/goal-category	THO
53	Goal priority	http://terminology.hl7.org/CodeSystem/goal-priority	ValueSet/goal-priority	THO
54	GoalLifecycleStatus	http://hl7.org/fhir/goal-status	ValueSet/goal-status	FHIR
55	HL7 Document Format Codes	http://terminology.hl7.org/CodeSystem/v3-HL7DocumentFormatCodes	ValueSet/v3-HL7FormatCodes	THO
56	ICD-10 Procedure Codes	http://www.cms.gov/Medicare/Coding/ICD10	ValueSet/us-core-procedure-code	Other
57	ICD-9CM	http://terminology.hl7.org/CodeSystem/icd9cm	ValueSet/us-core-condition-code	THO
58	IHE Format Code set for use with Document Sharing	http://ihe.net/fhir/ihe.formatcode.fhir/CodeSystem/formatcode	ValueSet/v3-HL7FormatCodes	Other
59	IdentifierUse	http://hl7.org/fhir/identifier-use	ValueSet/identifier-use	FHIR
60	Immunization Funding Source	http://terminology.hl7.org/CodeSystem/immunization-funding-source	ValueSet/immunization-funding-source	THO
61	Immunization Origin Codes	http://terminology.hl7.org/CodeSystem/immunization-origin	ValueSet/immunization-origin	THO
62	Immunization Program Eligibility	http://terminology.hl7.org/CodeSystem/immunization-program-eligibility	ValueSet/immunization-program-eligibility	THO
63	Immunization Subpotent Reason	http://terminology.hl7.org/CodeSystem/immunization-subpotent-reason	ValueSet/immunization-subpotent-reason	THO
64	International Classification of Diseases	http://hl7.org/fhir/sid/icd-10-cm	Clinical Modification (ICD-10-CM)	CDC
65	LinkType	http://hl7.org/fhir/link-type	ValueSet/link-type	FHIR
66	Location type	http://terminology.hl7.org/CodeSystem/location-physical-type	ValueSet/location-physical-type	THO
67	LocationMode	http://hl7.org/fhir/location-mode	ValueSet/location-mode	FHIR
68	LocationStatus	http://hl7.org/fhir/location-status	ValueSet/location-status	FHIR
69	Logical Observation Identifiers	http://loinc.org	LOINC provides a set of universal names and ID codes for identifying laboratory and clinical test results.1 2 LOINC facilitates the exchange and pooling of results such as blood hemoglobin serum potassium or vital signs for clinical care outcomes management and research. LOINC's universal identifiers (names and codes) can be used in the context of order and observation exchanges between information systems that use syntax standards such as HL73 CEN TC251 ISO TC215 ASTM4 and DICOM. Specifically the identifier can be used as the coded value for an observation in any other standard that uses the observation/observation value paradigm whether messages documents application programming interface (API) etc. For example LOINC codes are used widely in the OBX segment Observation Identifier field (OBX-3) of an ORU HL7 (HL7 version 2.x or ASTM 1238-9410) message that may be sent between a Clinical Laboratory Information Management Systems (LIMS) and Electronic Health Record Systems (EHR).5 6 In this way LOINC codes provide universal identifiers that allow the exchange of clinical data between heterogeneous computing environments.	LOINC
70	MaritalStatus	http://terminology.hl7.org/CodeSystem/v3-MaritalStatus	ValueSet/marital-status	THO
71	Medication status codes	http://hl7.org/fhir/CodeSystem/medication-status	ValueSet/medication-status	FHIR
72	Medication dispense category codes	http://terminology.hl7.org/fhir/CodeSystem/medicationdispense-category	ValueSet/medicationdispense-category	THO
73	Medication dispense status codes	http://terminology.hl7.org/CodeSystem/medicationdispense-status	ValueSet/medicationdispense-status	THO
74	Medication dispense status reason codes	http://terminology.hl7.org/fhir/CodeSystem/medicationdispense-status-reason	ValueSet/medicationdispense-status-reason	THO
75	Medication request intent	http://hl7.org/fhir/CodeSystem/medicationrequest-intent	ValueSet/medicationrequest-intent	FHIR
76	MedicationDispense Performer Function Codes	http://terminology.hl7.org/CodeSystem/medicationdispense-performer-function	ValueSet/medicationdispense-performer-function	THO
77	MedicationRequest Category Codes	http://terminology.hl7.org/CodeSystem/medicationrequest-category	ValueSet/medicationrequest-category	THO
78	MedicationRequest Course of Therapy Codes	http://terminology.hl7.org/CodeSystem/medicationrequest-course-of-therapy	ValueSet/medicationrequest-course-of-therapy	THO
79	MedicationRequest Status Reason Codes	http://terminology.hl7.org/CodeSystem/medicationrequest-status-reason	ValueSet/medicationrequest-status-reason	THO
80	Medicationrequest status	http://hl7.org/fhir/CodeSystem/medicationrequest-status	ValueSet/medicationrequest-status	FHIR
81	NameUse	http://hl7.org/fhir/name-use	ValueSet/name-use	FHIR
82	NarrativeStatus	http://hl7.org/fhir/narrative-status	ValueSet/us-core-narrative-status	FHIR
83	National Uniform Billing Council	http://terminology.hl7.org/CodeSystem/nubc-UB92	National Uniform Billing Council UB 92	THO
84	NullFlavor	http://terminology.hl7.org/CodeSystem/v3-NullFlavor	ValueSet/us-core-documentreference-type ValueSet/marital-status ValueSet/encounter-special-courtesy	THO
85	Observation Category Codes	http://terminology.hl7.org/CodeSystem/observation-category	ValueSet/us-core-screening-assessment-observation-category ValueSet/us-core-simple-observation-category ValueSet/us-core-clinical-result-observation-category ValueSet/observation-category ValueSet/us-core-screening-assessment-observation-maximum-category	THO
86	Observation Reference Range Meaning Codes	http://terminology.hl7.org/CodeSystem/referencerange-meaning	ValueSet/referencerange-meaning	THO
87	ObservationInterpretation	http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation	ValueSet/observation-interpretation	THO
88	ObservationStatus	http://hl7.org/fhir/observation-status	ValueSet/us-core-observation-smoking-status-status ValueSet/observation-status	FHIR
89	Occupational Data for Health (ODH)	http://terminology.hl7.org/CodeSystem/PHOccupationalDataForHealthODH	ValueSet/2.16.840.1.114222.4.11.7900 ValueSet/2.16.840.1.114222.4.11.7901	THO
90	Organization type	http://terminology.hl7.org/CodeSystem/organization-type	ValueSet/organization-type	THO
91	Participant type	http://terminology.hl7.org/CodeSystem/participant-type	ValueSet/encounter-participant-type	THO
92	ParticipationFunction	http://terminology.hl7.org/CodeSystem/v3-ParticipationFunction	ValueSet/security-role-type	THO
93	ParticipationType	http://terminology.hl7.org/CodeSystem/v3-ParticipationType	ValueSet/security-role-type ValueSet/encounter-participant-type ValueSet/provenance-activity-type	THO
94	Provenance participant type	http://terminology.hl7.org/CodeSystem/provenance-participant-type	ValueSet/us-core-provenance-participant-type	THO
95	ProvenanceEntityRole	http://hl7.org/fhir/provenance-entity-role	ValueSet/provenance-entity-role	FHIR
96	QuantityComparator	http://hl7.org/fhir/quantity-comparator	ValueSet/quantity-comparator	FHIR
97	QuestionnaireResponseStatus	http://hl7.org/fhir/questionnaire-answers-status	ValueSet/questionnaire-answers-status	FHIR
98	RequestIntent	http://hl7.org/fhir/request-intent	ValueSet/request-intent ValueSet/care-plan-intent	FHIR
99	RequestPriority	http://hl7.org/fhir/request-priority	ValueSet/request-priority	FHIR
100	RequestStatus	http://hl7.org/fhir/request-status	ValueSet/request-status	FHIR
101	ResourceType	http://hl7.org/fhir/resource-types	ValueSet/resource-types ValueSet/care-plan-activity-kind	FHIR
102	RoleClass	http://terminology.hl7.org/CodeSystem/v3-RoleClass	ValueSet/security-role-type	THO
103	RoleCode	http://terminology.hl7.org/CodeSystem/v3-RoleCode	ValueSet/security-role-type ValueSet/relatedperson-relationshiptype ValueSet/v3-ServiceDeliveryLocationRoleType	THO
104	RouteOfAdministration	http://terminology.hl7.org/CodeSystem/v3-RouteOfAdministration	ValueSet/immunization-route	THO
105	SNOMED CT (all versions)	http://snomed.info/sct	ValueSet/servicerequest-category ValueSet/specimen-container-type ValueSet/2.16.840.1.113762.1.4.1099.54 ValueSet/procedure-followup ValueSet/us-core-goal-description ValueSet/us-core-condition-code-current ValueSet/specimen-collection-method ValueSet/medication-form-codes ValueSet/body-site ValueSet/manifestation-or-symptom ValueSet/procedure-code ValueSet/goal-start-event ValueSet/medication-as-needed-reason ValueSet/2.16.840.1.113762.1.4.1166.22 ValueSet/c80-facilitycodes ValueSet/immunization-reason ValueSet/2.16.840.1.113762.1.4.1267.3 ValueSet/substance-code ValueSet/us-core-procedure-code ValueSet/observation-methods ValueSet/care-plan-category ValueSet/questionnaire-answers ValueSet/servicerequest-orderdetail ValueSet/clinical-findings ValueSet/condition-stage ValueSet/immunization-target-disease ValueSet/encounter-reason ValueSet/additional-instruction-codes ValueSet/participant-role ValueSet/approach-site-codes ValueSet/device-action ValueSet/us-core-condition-code ValueSet/medication-codes ValueSet/device-kind ValueSet/performer-role ValueSet/c80-practice-codes ValueSet/referencerange-appliesto ValueSet/us-core-servicerequest-category ValueSet/route-codes ValueSet/care-plan-activity-outcome ValueSet/procedure-outcome ValueSet/procedure-category ValueSet/2.16.840.1.113762.1.4.1021.121 ValueSet/condition-code ValueSet/condition-stage-type ValueSet/procedure-not-performed-reason ValueSet/immunization-status-reason ValueSet/administration-method-codes ValueSet/condition-severity	SNOMED
106	Security Role Type	http://terminology.hl7.org/CodeSystem/extra-security-role-type	ValueSet/security-role-type	THO
107	Service type	http://terminology.hl7.org/CodeSystem/service-type	ValueSet/service-type	THO
108	Source of Payment Typology	https://nahdo.org/sopt	ValueSet/2.16.840.1.114222.4.11.3591	Other
109	Special arrangements	http://terminology.hl7.org/CodeSystem/encounter-special-arrangements	ValueSet/encounter-special-arrangements	THO
110	SpecimenStatus	http://hl7.org/fhir/specimen-status	ValueSet/specimen-status	FHIR
111	SubscriberPolicyholder Relationship Codes	http://terminology.hl7.org/CodeSystem/subscriber-relationship	ValueSet/subscriber-relationship	THO
112	Substance Admin Substitution	http://terminology.hl7.org/CodeSystem/v3-substanceAdminSubstitution	ValueSet/v3-ActSubstanceAdminSubstitutionCode	THO
113	Tags for the Identification of Languages	urn:ietf:bcp:47	ValueSet/languages ValueSet/Languages	Other
114	TribalEntityUS	http://terminology.hl7.org/CodeSystem/v3-TribalEntityUS	ValueSet/v3-TribalEntityUS	THO
115	UDIEntryType	http://hl7.org/fhir/udi-entry-type	ValueSet/udi-entry-type	FHIR
116	US Core Category	http://hl7.org/fhir/us/core/CodeSystem/us-core-category	ValueSet/us-core-screening-assessment-observation-category ValueSet/us-core-simple-observation-category ValueSet/us-core-screening-assessment-condition-category ValueSet/us-core-servicerequest-category ValueSet/us-core-screening-assessment-observation-maximum-category	US CORE
117	US Core Condition Category Extension Codes	http://hl7.org/fhir/us/core/CodeSystem/condition-category	ValueSet/us-core-problem-or-health-concern	US CORE
118	US Core DocumentReferences Category Codes	http://hl7.org/fhir/us/core/CodeSystem/us-core-documentreference-category	ValueSet/us-core-documentreference-category	US CORE
119	US Core Provenance Participant Type Extension Codes	http://hl7.org/fhir/us/core/CodeSystem/us-core-provenance-participant-type	ValueSet/us-core-provenance-participant-type	US CORE
120	USPS State Codes	https://www.usps.com/	ValueSet/USPS-State	Other
121	Unified Code for Units of Measure (UCUM)	http://unitsofmeasure.org	ValueSet/ucum-bodyweight ValueSet/ucum-bodytemp ValueSet/ucum-common ValueSet/ucum-vitals-common ValueSet/ucum-bodylength ValueSet/v3-UnitsOfMeasureCaseSensitive	UCUM
122	Vaccine Administered Code Set (CVX)	http://hl7.org/fhir/sid/cvx	ValueSet/2.16.840.1.113762.1.4.1010.6	CDC
123	additivePreservative	http://terminology.hl7.org/CodeSystem/v2-0371	ValueSet/v2-0371	THO
124	bedStatus	http://terminology.hl7.org/CodeSystem/v2-0116	ValueSet/v2-0116	THO
125	contactRole2	http://terminology.hl7.org/CodeSystem/v2-0131	ValueSet/relatedperson-relationshiptype ValueSet/patient-contactrelationship	THO
126	diagnosticServiceSectionId	http://terminology.hl7.org/CodeSystem/v2-0074	ValueSet/diagnostic-service-sections	THO
127	identifierType	http://terminology.hl7.org/CodeSystem/v2-0203	ValueSet/identifier-type	THO
128	providerRole	http://terminology.hl7.org/CodeSystem/v2-0443	ValueSet/immunization-function	THO
129	re-admissionIndicator	http://terminology.hl7.org/CodeSystem/v2-0092	ValueSet/v2-0092	THO
130	relevantClincialInformation	http://terminology.hl7.org/CodeSystem/v2-0916	ValueSet/v2-0916	THO
131	treatment	http://terminology.hl7.org/CodeSystem/v2-0373	ValueSet/specimen-processing-procedure	THO

The Value Set Authority Center (VSAC)

This guide links terminology directly to the FHIR® Terminology Service for VSAC Resources (Value Set Authority Center (VSAC)), where applicable, using a RESTful API service to access the VSAC value sets and supported code systems. See the table above for a list of value sets used in US Core that VSAC defines.

How to Acess Value Sets in VSAC

• VSAC requires login using your own UMLS API Key to view the value sets. VSAC UMLS Licensing information. (See the screenshots below)
• The value sets in VSAC are specified using a VSAC value set OID.

• To view the value set expansion in the VSAC user interface, use:

  GET https://vsac.nlm.nih.gov/ValueSet/[VSAC OID]/expansion

  An example of this is shown in the screenshots below.

  When viewing a ValueSet in the VSAC UI, the Code System OIDs and VSAC Code System names are displayed for each code. However, these code system identifiers SHOULD NOT be used. The FHIR URIs code systems are defined as part of FHIR and SHOULD be used instead. Unfortunately, the FHIR URI for the code system is not shown. As a convenience for the reader, a VSAC to FHIR Code System Mapping Table is provided, which maps the VSAC Code System names to the corresponding FHIR URI. For more information, see this documentation describing the relationships between the VSAC value set name, FHIR value set name, and FHIR value set title and how to access VSAC's FHIR API.

• To fetch the FHIR ValueSet resource (in other words, the value set definition), use:

  GET https://cts.nlm.nih.gov/fhir/ValueSet/[VSAC OID]

• To fetch the FHIR ValueSet resource expansion, use the FHIR $expand operation:

  GET https://cts.nlm.nih.gov/fhir/ValueSet/[VSAC OID]/$expand

For more information, refer to the FHIR Terminology Service for VSAC Resources

Example

For example, the US Core Smoking Status Observation Profile valueCodeableConcept element has a preferred binding to the Smoking Status value set. To access it in VSAC, click on the link to https://vsac.nlm.nih.gov/valueset/2.16.840.1.113883.11.20.9.38/expansion:

The reader is redirected to the VSAC login page to enter an API Key (only one login is required per session):

After successfully entering the API Key, the value set can be inspected, downloaded, etc., using the VSAC User interface, as shown in the figure below. This FHIR ValueSet resource can also be fetched using the URL https://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.38, and the FHIR ValueSet expansion using the URL https://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.38/$expand.