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)).
Type: Extension (a.k.a: http://hl7.org/fhir/StructureDefinition/Extension)
Type dependencies: 0
Elements
extension: Extension
value[x]: CodeableConcept