Test ID JAK2V JAK2 V617F Mutation Detection, Varies
Useful For
Aiding in the distinction between a reactive blood cytosis and a chronic myeloproliferative disorder in extracted DNA specimens
Special Instructions
Method Name
Point Mutation Detection in DNA Using Quantitative Polymerase Chain Reaction (PCR)
Reporting Name
JAK2 V617F Mutation Detection, VSpecimen Type
VariesSpecimen Required
Specimen Type: Extracted DNA from blood or bone marrow
Container/Tube: 1.5- to 2-mL tube with indication of volume and concentration of the DNA
Specimen Volume: Entire specimen
Collection Instructions: Label specimen as extracted DNA from blood or bone marrow and indicate volume and concentration of the DNA.
Specimen Stability Information: Refrigerated/Ambient
Specimen Minimum Volume
Extracted DNA from blood or bone marrow: 50 microliter at 20 ng/microliter
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Varies | Varies |
Reference Values
An interpretive report will be provided.
Day(s) Performed
Monday through Friday
Performing Laboratory

CPT Code Information
81270-JAK2 (Janus kinase 2) (eg, myeloproliferative disorder) gene analysis, p.Val617Phe (V617F) variant
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
JAK2V | JAK2 V617F Mutation Detection, V | 43399-5 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
39724 | JAK2 Result | 53761-3 |
31160 | JAK2 V617F Mutation Detection, V | 43399-5 |
Test Classification
This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.Report Available
2 to 5 daysNY State Approved
YesForms
1. Hematopathology Patient Information (T676) in Special Instructions
2. If not ordering electronically, complete, print, and send a Hematopathology/Cytogenetics Test Request (T726) with the specimen.