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Test Code JAK2M JAK2 V617F Mutation Detection, Bone Marrow

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Reporting Name

JAK2 V617F Mutation Detection, BM

Specimen Type

Bone Marrow


Shipping 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.


Reject Due To

Gross hemolysis Reject
Moderately to severely clotted Reject

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

Specimen Minimum Volume

1 mL

Day(s) Performed

Monday through Saturday

Specimen Retention Time

Bone marrow: 2 weeks; Extracted DNA: 3 months

Report Available

2 to 5 days

Reference Values

An interpretive report will be provided.

Useful For

Aiding in the distinction between a reactive blood cytosis and a chronic myeloproliferative disorder using bone marrow specimens

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
JAK2M JAK2 V617F Mutation Detection, BM 72333-8

 

Result ID Test Result Name Result LOINC Value
39723 JAK2 Result 53761-3
31157 JAK2 V617F Mutation Detection, BM 72333-8

Supportive Data

Analytical sensitivity is determined at 0.06% (by dilution of a JAK2 V617F-positive cell line DNA into a negative cell line DNA).

Forms

1. Hematopathology Patient Information (T676)

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