---
type: "codesystem"
title: "ObservationreferenceRangeNormalValue"
codesystem: "observation-referencerange-normalvalue"
---
# ObservationreferenceRangeNormalValue

- **Official URL**: http://hl7.org/fhir/observation-referencerange-normalvalue
- **Version**: 6.0.0
- **Status**: active
- **Name**: ObservationReferenceRangeNormalValue
- **Title**: ObservationreferenceRangeNormalValue
- **Publisher**: HL7 (FHIR Project)
- **Description**: Codes that describe the normal value in the reference range.
- **Case Sensitive**: true
- **Content**: complete

## Concepts

| Code | Display | Definition |
| --- | --- | --- |
| negative | Negative | The expected normal value for the observation is negative. |
| absent | Absent | The expected normal value for the observation is absent. |

## CodeSystem XML



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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="observation-referencerange-normalvalue"/>
  <meta>
    <lastUpdated value="2021-01-05T10:01:24.148+11:00"/>
  </meta>
  <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>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="5"/>
  </extension>
  <url value="http://hl7.org/fhir/observation-referencerange-normalvalue"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.2099"/>
  </identifier>
  <version value="6.0.0"/>
  <name value="ObservationReferenceRangeNormalValue"/>
  <title value="ObservationreferenceRangeNormalValue"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2022-04-05T10:01:24+11:00"/>
  <publisher value="HL7 (FHIR Project)"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="fhir@lists.hl7.org"/>
    </telecom>
  </contact>
  <description value="Codes that describe the normal value in the reference range."/>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/observation-referencerange-normalvalue"/>
  <hierarchyMeaning value="is-a"/>
  <content value="complete"/>
  <concept>
    <code value="negative"/>
    <display value="Negative"/>
    <definition value="The expected normal value for the observation is negative."/>
  </concept>
  <concept>
    <code value="absent"/>
    <display value="Absent"/>
    <definition value="The expected normal value for the observation is absent."/>
  </concept>
</CodeSystem>
```