Release 5 Draft Ballot

This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions


Vocabulary Work GroupMaturity Level: N/AStandards Status: Informative

This is the narrative for the resource. See also the XML, JSON or Turtle format.

v3.DataAbsentReason (

Mapping from to

DRAFT. Published on 2022-07-05T19:02:37Z by HL7 (FHIR Project).

Source CodeRelationshipDestination Code
Mapping from DataAbsentReason to NullFlavor
unknownis equivalent toUNK (unknown)
asked-unknown (Asked But Unknown)is equivalent toASKU (asked but unknown)
temp-unknown (Temporarily Unknown)is equivalent toNAV (temporarily unavailable)
not-askedis equivalent toNASK (not asked)
maskedis equivalent toMSK (masked)
not-applicableis equivalent toNA (not applicable)
negative-infinity (Negative Infinity (NINF))is equivalent toNINF (negative infinity)
positive-infinity (Positive Infinity (PINF))is equivalent toPINF (positive infinity)
not-permittedis equivalent toOTH (other)



Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.