Test Code JAK2V JAK2 V617F Mutation Detection, Varies
Reporting Name
JAK2 V617F Mutation Detection, VUseful For
Aiding in the distinction between a reactive blood cytosis and a chronic myeloproliferative disorder in extracted DNA specimens
Method Name
Point Mutation Detection in DNA Using Quantitative Polymerase Chain Reaction (PCR)
Performing Laboratory

Specimen 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 |
Reject Due To
Other | Bone marrow biopsies, slides, paraffin shavings Frozen tissues and paraffin-embedded tissues Paraffin-embedded bone marrow aspirates Moderately to severely clotted |
Special Instructions
Reference Values
An interpretive report will be provided.
Day(s) and Time(s) Performed
Monday through Friday; 12 p.m.
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 U.S. Food and Drug Administration.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 |
Forms
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.