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Test Code JAK2V JAK2 V617F Mutation Detection, Varies

Reporting Name

JAK2 V617F Mutation Detection, V

Useful For

Aiding in the distinction between a reactive blood cytosis and a chronic myeloproliferative disorder using extracted DNA specimens

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Varies


Specimen 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

50 microliter at a concentration of 20 ng/microliter

Specimen Stability Information

Specimen Type Temperature Time
Varies Varies

Reject Due To

Bone marrow biopsies
Slides
Paraffin shavings
Frozen tissues and paraffin-embedded tissues
Paraffin-embedded bone marrow aspirates
Moderately to severely clotted		 Reject

Reference Values

An interpretive report will be provided.

Day(s) Performed

Monday through Saturday

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.

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

Report Available

2 to 5 days

Forms

1. Hematopathology Patient Information (T676)

2. If not ordering electronically, complete, print, and send a Hematopathology/Cytogenetics Test Request (T726) with the specimen.