<status value="draft" /> <publisher value="NMDP" /> <contact> <name value="David Wroe" /> <telecom> <system value="email" /> <value value="fhir@nmdp.org" /> <use value="work" /> </telecom> </contact> <description value="# HLA Immunoassay Interpretation Extension of HL7 observation to capture interpretation attributes specific to solid-phase immunoassay test results. An HLA Antibody Assay Interpretation contains the overall human interpretation of an entire assay. This includes which antigens/specificities are determined to be positive or negative. ## Components of this observation: ------------------------------------ * **interpretation-context**: “Clinical Interpretation” * **reject-assay**: Boolean if the assay was rejected or not. * **reject-reason**: Reason for assay rejection * **failure-code**: Failure code generated for assay * **positive-specificities**: multi-locus HLA GLstring of all loci and alleles considered positive * **questionable-specificities**: multi-locus HLA GLstring of all loci and alleles considered questionable * **negative-specificities**: multi-locus HLA GLstring of all loci and alleles considered negative" /> <purpose value="An HLA Antibody Assay Interpretation contains the overall human interpretation of an entire assay. This includes which antigens/specificities are determined to be positive, negative or questionable." /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Observation" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" /> <derivation value="constraint" /> <differential> <element id="Observation.partOf.reference"> <path value="Observation.partOf.reference" /> <label value="HLA Antibody Diagnostic Report Ref" /> <min value="1" /> <mustSupport value="true" /> </element> <element id="Observation.focus"> <path value="Observation.focus" /> <max value="0" /> </element> <element id="Observation.encounter"> <path value="Observation.encounter" /> <max value="0" /> </element> <element id="Observation.performer"> <path value="Observation.performer" /> <mustSupport value="true" /> </element> <element id="Observation.performer.reference"> <path value="Observation.performer.reference" /> <min value="1" /> <mustSupport 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