Release 4

This page is part of the FHIR Specification (v4.0.1: R4 - Mixed Normative and STU) in it's permanent home (it will always be available at this URL). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4 R3

4.3.14.488 Code System http://hl7.org/fhir/ex-onsettype

Vocabulary

Work Group

Maturity Level: 0

Informative

Use Context: Any

This is a code system defined by the FHIR project.

Summary

Defining URL:

http://hl7.org/fhir/ex-onsettype

Version:

4.0.1

Name:

ExampleOnsetType(Reason)Codes

Title:

Example Onset Type (Reason) Codes

Definition:

This value set includes example Onset Type codes which are used to identify the event for which the onset, starting date, is required.

Committee:

??

OID:

2.16.840.1.113883.4.642.4.579 (for OID based terminology systems)

Copyright:

This is an example set.

Source Resource

XML / JSON

This Code system is used in the following value sets:

ValueSet: Example Onset Type (Reason) Codes (This value set includes sample Service Modifier codes.)
ValueSet: Example Onset Type (Reason) Codes (This value set includes sample Service Modifier codes.)

4.3.14.488.1 Content

4.3.14.488.2 Example Onset Type (Reason) Codes

This value set includes example Onset Type codes which are used to identify the event for which the onset, starting date, is required.

Copyright Statement:

This is an example set.

This code system http://hl7.org/fhir/ex-onsettype defines the following codes:

Code	Display	Definition
lxm	Last Exam	Date of last examination.
sym	Start of Symptoms	Date when symptoms were first noticed.
lmn	Last Menstruation	Start date of last menstruation.

See the full registry of code systems defined as part of FHIR.

Explanation of the columns that may appear on this page:

Level

A few code lists that FHIR defines are hierarchical - each code is assigned a level. See Code System for further information.

Source

The source of the definition of the code (when the value set draws in codes defined elsewhere)

Code

The code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')

Display

The display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application

Definition

An explanation of the meaning of the concept

Comments

Additional notes about how to use the code