---
type: "valueset"
title: "LOINC Codes"
valueset: "observation-codes"
---
# LOINC Codes

- **Official URL**: http://hl7.org/fhir/ValueSet/observation-codes
- **Version**: 6.0.0
- **Status**: active
- **Name**: LOINCCodes
- **Title**: LOINC Codes
- **Publisher**: FHIR Project team
- **Description**: This value set includes all LOINC codes

## Content (Compose)

- **System**: http://loinc.org

## ValueSet XML



```xml
<?xml version="1.0" encoding="UTF-8"?>

<ValueSet xmlns="http://hl7.org/fhir">
  <id value="observation-codes"/>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="oo"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="informative"/>
  </extension>
  <url value="http://hl7.org/fhir/ValueSet/observation-codes"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.3.396"/>
  </identifier>
  <identifier>
    <use value="old"/>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.3.383"/>
  </identifier>
  <identifier>
    <use value="old"/>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.2.216"/>
  </identifier>
  <version value="6.0.0"/>
  <name value="LOINCCodes"/>
  <title value="LOINC Codes"/>
  <status value="active"/>
  <experimental value="true"/>
  <publisher value="FHIR Project team"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
  </contact>
  <description value="This value set includes all LOINC codes"/>
  <copyright value="This content from LOINC® is copyright © 1995 Regenstrief Institute, Inc. and the LOINC Committee, and available at no cost under the license at http://loinc.org/terms-of-use."/>
  <compose>
    <include>
      <system value="http://loinc.org"/>
    </include>
  </compose>
</ValueSet>
```