Test ID NBLD0460 JAK2 V617F Mutation Detection, Bone Marrow
Reporting Name
JAK2 V617F Mutation Detection, BMUseful For
Aiding in the distinction between a reactive blood cytosis and a chronic myeloproliferative disorder using bone marrow specimens
Testing Algorithm
For information see Myeloproliferative Neoplasm: A Diagnostic Approach to Bone Marrow Evaluation.
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen Type
Bone MarrowShipping Instructions
Specimen must arrive within 7 days of collection.
Specimen Required
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Yellow top (ACD)
Specimen Volume: 2 mL
Collection Instructions:
1. Invert several times to mix bone marrow.
2. Send bone marrow specimen in original tube. Do not aliquot.
Specimen Minimum Volume
1 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Bone Marrow | Ambient (preferred) | 7 days | PURPLE OR PINK TOP/EDTA |
Refrigerated | 7 days | PURPLE OR PINK TOP/EDTA |
Special Instructions
Reference Values
An interpretive report will be provided.
Day(s) Performed
Monday through Friday
CPT Code Information
81270-JAK2 (Janus kinase 2) (eg, myeloproliferative disorder) gene analysis, p.Val617Phe (V617F) variant
Report Available
2 to 5 daysReject Due To
Gross hemolysis | Reject |
Moderately to severely clotted | Reject |
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.Method Name
Quantitative Polymerase Chain Reaction (PCR)
Forms
1. Hematopathology Patient Information (T676)
2. If not ordering electronically, complete, print, and send a Hematopathology/Cytogenetics Test Request (T726) with the specimen.
Secondary ID
31155SANFORD INTERFACE BUILD INFORMATION
RESULT CODE | RESULT CODE DESCRIPTION |
---|---|
17261 | JAK2 V617F MUTATION DETECTION, BM |
20795 | JAK2 RESULT, BM |