Unknown or refused to answer

active
URL
http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1021.102
Version
20211028
PublisherHL7 US Realm Program Management StewardDate2021-10-28T01:01:40-04:00Purpose

(Clinical Focus: Codes used to represent unknown and refused to answer),(Data Element Scope: ),(Inclusion Criteria: ),(Exclusion Criteria: )

Expansion
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CodeDisplaySystem
UNKhttp://terminology.hl7.org/CodeSystem/v3-NullFlavor
ASKUhttp://terminology.hl7.org/CodeSystem/v3-NullFlavor