NHS North West Genomics
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NHS North West Genomics - Local Development build (v2.2.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Example Observation: Variant - ctDNA Small Variant (BRCA1)

identifier: ctdna9737383222-seqv1

status: Final

category: Genetics, Laboratory

code: Genetic variant assessment

subject: Rob LEEDS (official) Male, DoB: 1978-01-17 ( Medical record number)

effective: 2026-07-14 15:59:16+0000

performer: PractitionerRole

value: Present

method: Sequencing

component

code: Variant category

value: Sequence Variant

component

code: Gene studied [ID]

value: BRCA1

component

code: Genomic source class [Type]

value: Germline

component

code: Genomic reference sequence [ID]

value: NC_000017.10

component

code: Genomic coordinate system [Type]

value: 1-based character counting

component

code: Genomic ref allele [ID]

value: TCT

component

code: Genomic alt allele [ID]

value: T

component

code: DNA change type

value: deletion

component

code: Transcript reference sequence [ID]

value: NM_007294.3

component

code: DNA change (c.HGVS)

value: NM_007294.3(BRCA1):c.68_69del

component

code: Amino acid change (pHGVS)

value: p.(Glu23ValfsTer17)

component

code: Genomic DNA change (gHGVS)

value: g.41276047_41276048del

component

code: Genetic variation clinical significance [Imp]

value: Pathogenic

component

code: Origin of germline genetic variant [Type]

value: Maternal

component

code: Genomic allele start-end

value: 41276046-?

component

code: Sample variant allelic frequency [NFr]

value: 0.33 decimal

component

code: Allelic state

value: heterozygous