http://hl7.org/fhir/StructureDefinition/observation-geneticsGenomicSourceClass|5.2.0
Source of sample used to determine the sequence in sequencing lab -- germline, somatic, prenatal. LOINC Code: ([48002-0](http://loinc.org/48002-0)).
description: 'Source of sample used to determine the sequence in sequencing lab -- germline, somatic, prenatal. LOINC Code: ([48002-0](http://loinc.org/48002-0)).' derivation: constraint name: GenomicSourceClass type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/observation-geneticsGenomicSourceClass'} index: 1 value: choices: [] index: 3 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/observation-geneticsGenomicSourceClass base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.2.0 required: [value]