HL7 FHIR Implementation Guide: Breast Cancer Data, Release 1 - US Realm (Draft for Comment 2)

BC YesNoUnknownCS CodeSystem

Code set indicating yes, no, or unknown.

This code system http://hl7.org/fhir/us/breastcancer/CodeSystem/shr-core-YesNoUnknownCS defines the following codes:

yes Yes, or trueYes, or true
no No, or falseNo, or false
unknown UnknownUnknown
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This code system is used by the following value sets: