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2002357
JAK2 Exon 12 Mutation Analysis by PCR
JAK2 EX12
Ordering Recommendation
Most appropriate in cases of high suspicion of polycythemia vera with negative JAK2 V617F mutation status.
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Whole blood or bone marrow in lavender (EDTA).
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 frozen tissue. Specimens collected in anticoagulants other than EDTA. Clotted or grossly hemolyzed specimens.
Remarks
Stability
Refrigerated: 7 days; Frozen: Unacceptable
Methodology
Polymerase Chain Reaction (PCR)
Performed
Varies
Reported
3-9 days
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
81279
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 2002358 | JAK2 Exon 12 Mutation Analysis by PCR | 63421-2 |
| 3016758 | JAK2 EX12, Source | 31208-2 |
* 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
- JAK 2 exon 12
- Janus Kinase 2 Gene
- Janus Kinase 2 Gene Sequencing
- MPN JAK2 testing
- Tyrosine Kinase Gene Sequencing
JAK2 Exon 12 Mutation Analysis by PCR
