minimal Common Oncology Data Elements (mCODE) Implementation Guide
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This page is part of the HL7 FHIR Implementation Guide: minimal Common Oncology Data Elements (mCODE) Release 1 - US Realm | STU1 (v4.0.0: STU4) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

Extension: Normalization Basis Extension

Official URL: http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-normalization-basis Version: 4.0.0
Active as of 2025-02-16 Maturity Level: 4 Computable Name: NormalizationBasis
Other Identifiers: OID:2.16.840.1.113883.4.642.40.15.42.37

The method (e.g., body weight, body surface area, flat dose, age) used to normalize the medication dosage.

Context of Use

This extension may be used on the following element(s):

It is important to note that the normalization basis extension is not meant to calculate the dosage. It is simply meant to record the method (body weight, body surface area, flat dose, or age) that was used to calculate the dosage. The dosageInstruction and dosage data element found in the CancerRelatedMedicationRequest and CancerRelatedAdministration profiles, respectively, include the details for the ordered and administered dose.

Usage info

Usage:

Changes since version true:

  • New Content

    • Formal Views of Extension Content

    Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..* Extension Normalization Basis Extension
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-normalization-basis"
    ... value[x] 1..1 CodeableConcept Value of extension
    Binding: Normalization Basis Value Set (required)

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..* Extension Normalization Basis Extension
    ... id 0..1 string Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-normalization-basis"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension of type CodeableConcept: The method (e.g., body weight, body surface area, flat dose, age) used to normalize the medication dosage.

    Maturity: 4

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..* Extension Normalization Basis Extension
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-normalization-basis"
    ... value[x] 1..1 CodeableConcept Value of extension
    Binding: Normalization Basis Value Set (required)

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..* Extension Normalization Basis Extension
    ... id 0..1 string Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/us/mcode/StructureDefinition/mcode-normalization-basis"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension of type CodeableConcept: The method (e.g., body weight, body surface area, flat dose, age) used to normalize the medication dosage.

    Maturity: 4

     

    Other representations of profile: CSV, Excel, Schematron

    Terminology Bindings

    PathConformanceValueSetURI
    Extension.value[x]requiredNormalizationBasisVS
    http://hl7.org/fhir/us/mcode/ValueSet/mcode-normalization-basis-vs
    from this IG