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1 value set

DataAbsentReason

http://terminology.hl7.org/CodeSystem/data-absent-reason

Used to specify why the normally expected content of the data element is missing.

Official spec

Concepts (15)

CodeDisplayDefinition
unknownUnknownThe value is expected to exist but is not known.
asked-unknownAsked But UnknownThe source was asked but does not know the value.
temp-unknownTemporarily UnknownThere is reason to expect (from the workflow) that the value may become known.
not-askedNot AskedThe workflow didn't lead to this value being known.
asked-declinedAsked But DeclinedThe source was asked but declined to answer.
maskedMaskedThe information is not available due to security, privacy or related reasons.
not-applicableNot ApplicableThere is no proper value for this element (e.g. last menstrual period for a male).
unsupportedUnsupportedThe source system wasn't capable of supporting this element.
as-textAs TextThe content of the data is represented in the resource narrative.
errorErrorSome system or workflow process error means that the information is not available.
not-a-numberNot a Number (NaN)The numeric value is undefined or unrepresentable due to a floating point processing error.
negative-infinityNegative Infinity (NINF)The numeric value is excessively low and unrepresentable due to a floating point processing error.
positive-infinityPositive Infinity (PINF)The numeric value is excessively high and unrepresentable due to a floating point processing error.
not-performedNot PerformedThe value is not available because the observation procedure (test, etc.) was not performed.
not-permittedNot PermittedThe value is not permitted in this context (e.g. due to profiles, or the base data types).

Used by value sets