http://hl7.org/fhir/StructureDefinition/observation-geneticsVariant|4.0.1

Variant information.

Name	Card	Type	Description & Constraints
Extension	0..1		Variant
extension	0..1	Extension	HGVS nomenclature for observed DNA sequence variant
extension	?..0
url	?..?	uri
value[x] *	1..?		ClinVar-variant-database (preferred)
valueCodeableConcept *	1..?	CodeableConcept	ClinVar-variant-database (preferred)
extension	0..1	Extension	DNA sequence variant ID
extension	?..0
url	?..?	uri
value[x] *	1..?
valueCodeableConcept *	1..?	CodeableConcept
extension	0..1	Extension	DNA sequence variant type
extension	?..0
url	?..?	uri
value[x] *	1..?
valueCodeableConcept *	1..?	CodeableConcept
url	?..?
value[x]	0..0