JAK2 (V617F) Mutation by ddPCR, Qualitative with Reflex to JAK2 Exon 12 Mutation Analysis by PCR
Ordering Recommendation
Use when a diagnosis of polycythemia vera (PV) is suspected.
Mnemonic
Methodology
Droplet Digital PCR (ddPCR)/Polymerase Chain Reaction
Performed
Varies
Reported
3-12 days
New York DOH Approval Status
Specimen Required
Whole blood or bone marrow: Lavender (EDTA).
Whole Blood: Do not freeze. Transport 5 mL whole blood. (Min: 1 mL)
Bone Marrow: Do not freeze. Transport 3 mL bone marrow. (Min: 1 mL)
Refrigerated.
Plasma, serum, FFPE tissue blocks/slides, or fresh or frozen tissue. Specimens collected in anticoagulants other than EDTA. Clotted or grossly hemolyzed specimens.
Refrigerated: 4 days; Frozen: Unacceptable
Reference Interval
Interpretive Data
Refer to report.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Note
If JAK2 QUAL is reported as "Not Detected" then JAK2 Exon 12 Mutation Analysis will be added. Additional charges apply.
Hotline History
Hotline History
CPT Codes
81270; if reflexed, add 81279
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
3004047 | JAK2 QUAL, Source | 31208-2 |
3004048 | JAK2 QUAL Mutation by PCR | 43399-5 |
Aliases
- JAK2 Exon 12
- Janus Kinase 2 Gene
- Janus Kinase 2 Gene Sequencing
- MPN JAK2 testing