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HelpTest ID BLOD1366 JAK2 V617F Mutation Detection, Blood
Useful For
Aiding in the distinction between a reactive blood cytosis and a chronic myeloproliferative disorder using peripheral blood specimens
Specimen Type
Whole Blood EDTAShipping Instructions
Specimen must arrive within 7 days of collection.
Specimen Required
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Yellow top (ACD)
Specimen Volume: 4 mL
Collection Instructions:
1. Invert several times to mix blood.
2. Send whole blood specimen in original tube. Do not aliquot.
Reject Due To
| Gross hemolysis | Reject |
| Moderately to severely clotted | Reject |
Specimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole Blood EDTA | Ambient (preferred) | 7 days | PURPLE OR PINK TOP/EDTA |
| Refrigerated | 7 days | PURPLE OR PINK TOP/EDTA |
Day(s) Performed
Monday through Saturday
Report Available
2 to 5 daysMethod Name
Quantitative Polymerase Chain Reaction (PCR)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
81270-JAK2 (Janus kinase 2) (eg, myeloproliferative disorder) gene analysis, p.Val617Phe (V617F) variant
Coverage Limitations
This test has limited coverage - please submit Commercial Insurance Patient Waiver (Non-Medicare)
if applicable.
Reporting Name
JAK2 V617F Mutation Detection, BReference Values
An interpretive report will be provided.
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Forms
1. Hematopathology Patient Information (T676)
2. If not ordering electronically, complete, print, and send a Hematopathology/Cytogenetics Test Request (T726) with the specimen.
Special Instructions
Testing Algorithm
For more information see:
-Erythrocytosis Evaluation Testing Algorithm
-Myeloproliferative Neoplasm: A Diagnostic Approach to Peripheral Blood Evaluation
Secondary ID
88715SANFORD LABORATORY INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 13300 | JAK2 V617F Mutation Detection |
| 20796 | JAK2 Result, B |