Extensions for Using Data Elements from FHIR STU3 in FHIR R4
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Extensions for Using Data Elements from FHIR STU3 in FHIR R4 - Downloaded Version null See the Directory of published versions

CodeSystem: DataAbsentReason

Official URL: http://hl7.org/fhir/data-absent-reason Version: 3.0.2
Standards status: Trial-use Maturity Level: 0 Computable Name: DataAbsentReason

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

This Code system is referenced in the content logical definition of the following value sets:

  • This CodeSystem is not used here; it may be used elsewhere (e.g. specifications and/or implementations that use this content)

This case-sensitive code system http://hl7.org/fhir/data-absent-reason defines the following codes in an undefined hierarchy:

LvlCodeDisplayDefinition
1 unknown Unknown The value is not known.
1 asked Asked The source human does not know the value.
1 temp Temp There is reason to expect (from the workflow) that the value may become known.
1 not-asked Not Asked The workflow didn't lead to this value being known.
1 masked Masked The information is not available due to security, privacy or related reasons.
1 unsupported Unsupported The source system wasn't capable of supporting this element.
1 astext As Text The content of the data is represented in the resource narrative.
1 error Error Some system or workflow process error means that the information is not available.
2   NaN Not a Number NaN, standing for not a number, is a numeric data type value representing an undefined or unrepresentable value.
1 not-performed Not Performed The value is not available because the observation procedure (test, etc.) was not performed.