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HL7 V2 | TABLE 0161

Table 0161: Allow Substitution

HL7-defined table of codes which specify whether substitutions are allowed and, if so, the type of substitutions allowed.

Type
HL7-defined
Codes
3
Introduced
HL7 v2.2
Used in
RXO-9
FHIR code system
http://terminology.hl7.org/CodeSystem/v2-0161
THO code system
http://terminology.hl7.org/CodeSystem/v2-0161
OID
2.16.840.1.113883.18.79

HL7-defined: The standard fixes the values. PipeHat flags codes outside this list as warnings.

Codes

CodeMeaningFHIR code
NSubstitutions are NOT authorized. (This is the default - null.)N
GAllow generic substitutions.G
TAllow therapeutic substitutionsT

FHIR codes from the HL7 v2-to-FHIR concept map AllowSubstitution (unconditional mappings only).

Where it's used

ElementNameFHIR (v2-to-FHIR mapping)
RXO-9Allow SubstitutionsMedicationRequest.substitution.allowedCodeableConcept

Elements with a dot (such as CX.5) are data type components, used wherever that data type appears.

Source: HL7 Terminology (THO) 7.4.0 and the HL7 v2-to-FHIR Implementation Guide 1.0.0, published by HL7 International under CC0. Check your trading partner's specification for the values they actually send.