Sign in →

Test Code JAK2RLX JAK2 V617F Mutation, Qualitative with Reflex to Exon12

Performing Laboratory

BioReference Laboratories


Polymerase Chain Reaction (PCR)

Reference Values

Not Detected


If the JAK2 V617F result is Not Detected, Exon 12 will be performed at an additional charge.


TAT: 5 days


Test Classification and CPT Coding



LOINC Code: 43399-5

Physician Office Specimen Requirements

Container/Tube: Lavender Top(EDTA)  Tube

Specimen: 6 ml whole blood (5 mL min)

Transport Temperature: Refrigerated whole blood

Statility: 3 Days Refrigerated


Alternative Specimens: Whole blood collected in Sodium Heparin (green-top) or ACD-B (Yellow top) tube

3mL bone marrow collected in EDTA (lavender top), sodium heparin(green top) or ACD-B(yellow top) tube.


Stability: Room Temperature: 72 hours

                 Refrigerated: 72 Hours

                 Frozen: Unacceptable



Computer Interface Code

PDM #  1659066