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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

Method Name

Quantitative Polymerase Chain Reaction (PCR)

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 Special Container
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

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. It has not been cleared or approved by the US Food and Drug Administration.

Report Available

2 to 5 days

NY State Approved

Yes

Forms

1. Hematopathology Patient Information (T676)

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