Ordering Recommendation
Aids in the workup of suspected myeloproliferative neoplasms. Use to detect the JAK2 V617F mutation in peripheral blood or bone marrow.
Mnemonic
JAK2 QUAL
Methodology
Droplet Digital PCR (ddPCR)
Performed
Varies
Reported
2-9 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Whole blood or bone marrow in lavender (EDTA). Also acceptable: Whole blood in green (sodium heparin).
Specimen Preparation
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)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Plasma, serum, FFPE tissue blocks/slides, or fresh or frozen tissue. Specimens collected in anticoagulants other than EDTA. Clotted or grossly hemolyzed specimens.
Remarks
Stability
Refrigerated: 7 days; Frozen: Unacceptable
Reference Interval
Interpretive Data
Refer to report.
Compliance Category
Laboratory Developed Test (LDT)
Note
Hotline History
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
N/A
CPT Codes
81270
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
3004047 | JAK2 QUAL, Source | 31208-2 |
3004048 | JAK2 QUAL Mutation by PCR | 43399-5 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- BCR-ABL1 negative testing
- Classic BCR-ABL1-negative testing, mutant JAK2 V617F allelic burden
- MPN JAK2
JAK2 (V617F) Mutation by ddPCR, Qualitative