C-CDA on FHIR
1.2.0 - STU 1 United States of America flag

This page is part of the C-CDA on FHIR Implementation Guide (v1.2.0: STU 1) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions

ConceptMap: C-CDA NullFlavor to FHIR Data Absent Reason

Official URL: http://hl7.org/fhir/us/ccda/ConceptMap/CF-NullFlavorDataAbsentReason Version: 1.2.0
Active as of 2024-03-12 Computable Name: CCDAtoFHIRNullFlavorDataAbsentReason

C-CDA NullFlavor to FHIR Data Absent Reason. Adapted from https://hl7.org/fhir/R4/cm-data-absent-reason-v3.html but several key changes have been made. Note that this prior concept map (from R4) is no longer included in current FHIR build.

Mapping from NullFlavor to DataAbsentReason

ACTIVE. Published on 2024-03-12 19:27:21+0000 by HL7 International / Cross-Group Projects (HL7 International / Cross-Group Projects: http://www.hl7.org/Special/com...).

C-CDA NullFlavor to FHIR Data Absent Reason. Adapted from https://hl7.org/fhir/R4/cm-data-absent-reason-v3.html but several key changes have been made. Note that this prior concept map (from R4) is no longer included in current FHIR build.


Group 1Mapping from NullFlavor to DataAbsentReason

Source CodeRelationshipTarget CodeComment
NI (NoInformation)maps loosely tounknownWhen the item is not required, US CORE guidance is to omit the element and not include data-absent-reason. When the item is required, US CORE guidance is to use unknown as the broadest concept
OTH (other)maps to wider conceptunsupported
NINF (negative infinity)is equivalent tonegative-infinity (Negative Infinity (NINF))
PINF (positive infinity)is equivalent topositive-infinity (Positive Infinity (PINF))
MSK (masked)is equivalent tomasked
NA (not applicable)is equivalent tonot-applicable
UNK (unknown)maps to wider conceptunknown
ASKU (asked but unknown)is equivalent toasked-unknown (Asked But Unknown)
NAV (temporarily unavailable)is equivalent totemp-unknown (Temporarily Unknown)
NASK (not asked)is equivalent tonot-asked
TRC (trace)maps to wider conceptunsupported
NP (not present)maps to wider conceptunknown