This page is part of the FHIR Specification (v5.0.0-snapshot1: Release 5 Snapshot #1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 
| Pharmacy Work Group | Maturity Level: N/A | Standards Status: Informative | Compartments: Encounter, Patient, Practitioner, RelatedPerson |
Raw JSON (canonical form + also see JSON Format Specification)
Patient reports they are taking Tylenol PM and has the bottle
{
"resourceType": "MedicationUsage",
"id": "example001",
"text": {
"status": "generated",
"div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative</b></p><div><p>Resource "example001" </p></div><p><b>identifier</b>: id: 12345689 (OFFICIAL)</p><p><b>status</b>: recorded</p><p><b>category</b>: Inpatient <span> (medication-statement-category#inpatient)</span></p><p><b>subject</b>: <a>Patient/pat1: Donald Duck</a> "Donald DUCK"</p><p><b>effective</b>: 2015-01-23</p><p><b>dateAsserted</b>: 2015-02-22</p><p><b>informationSource</b>: <a>Patient/pat1: Donald Duck</a> "Donald DUCK"</p><p><b>derivedFrom</b>: <a>MedicationRequest/medrx002</a></p><p><b>note</b>: Patient indicates they miss the occasional dose</p></div>"
},
"contained": [
{
"resourceType": "Medication",
"id": "med0309",
"code": {
"coding": [
{
"system": "http://hl7.org/fhir/sid/ndc",
"code": "50580-608-02",
"display": "Tylenol PM"
}
]
},
"doseForm": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "385057009",
"display": "Film-coated tablet (qualifier value)"
}
]
},
"ingredient": [
{
"item": {
"concept": {
"coding": [
{
"system": "http://www.nlm.nih.gov/research/umls/rxnorm",
"code": "315266",
"display": "Acetaminophen 500 MG"
}
]
}
},
"strengthRatio": {
"numerator": {
"value": 500,
"system": "http://unitsofmeasure.org",
"code": "mg"
},
"denominator": {
"value": 1,
"system": "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
"code": "TAB"
}
}
},
{
"item": {
"concept": {
"coding": [
{
"system": "http://www.nlm.nih.gov/research/umls/rxnorm",
"code": "901813",
"display": "Diphenhydramine Hydrochloride 25 mg"
}
]
}
},
"strengthRatio": {
"numerator": {
"value": 25,
"system": "http://unitsofmeasure.org",
"code": "mg"
},
"denominator": {
"value": 1,
"system": "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
"code": "TAB"
}
}
}
],
"batch": {
"lotNumber": "9494788",
"expirationDate": "2017-05-22"
}
}
],
"identifier": [
{
"use": "official",
"system": "http://www.bmc.nl/portal/medstatements",
"value": "12345689"
}
],
"status": "recorded",
"category": [
{
"coding": [
{
"system": "http://terminology.hl7.org/CodeSystem/medication-statement-category",
"code": "inpatient",
"display": "Inpatient"
}
]
}
],
"medication": {
"reference": {
"reference": "#med0309"
}
},
"subject": {
"reference": "Patient/pat1",
"display": "Donald Duck"
},
"effectiveDateTime": "2015-01-23",
"dateAsserted": "2015-02-22",
"informationSource": {
"reference": "Patient/pat1",
"display": "Donald Duck"
},
"derivedFrom": [
{
"reference": "MedicationRequest/medrx002"
}
],
"reason": [
{
"concept": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "32914008",
"display": "Restless Legs"
}
]
}
}
],
"note": [
{
"text": "Patient indicates they miss the occasional dose"
}
],
"dosage": [
{
"sequence": 1,
"text": "1-2 tablets once daily at bedtime as needed for restless legs",
"additionalInstruction": [
{
"text": "Taking at bedtime"
}
],
"timing": {
"repeat": {
"frequency": 1,
"period": 1,
"periodUnit": "d"
}
},
"asNeededCodeableConcept": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "32914008",
"display": "Restless Legs"
}
]
},
"route": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "26643006",
"display": "Oral Route"
}
]
},
"doseAndRate": [
{
"type": {
"coding": [
{
"system": "http://terminology.hl7.org/CodeSystem/dose-rate-type",
"code": "ordered",
"display": "Ordered"
}
]
},
"doseRange": {
"low": {
"value": 1,
"unit": "TAB",
"system": "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
"code": "TAB"
},
"high": {
"value": 2,
"unit": "TAB",
"system": "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
"code": "TAB"
}
}
}
]
}
]
}
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.