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Lab Test Dictionary

JAK2 V617F Cascading Reflex to CALR, JAK2 Exon 12, MPL and CSF3R (92472)

Methodology

Polymerase Chain Reaction-based DNA Sequencing


Synonyms

Polycythemia Vera (PV); Primary Myelofibrosis (PMF); Essential Thrombocythemia (ET); Cascading Reflex, Myeloproferative neoplasm (MPN)

Specimen Type

Whole Blood or Bone Marrow

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

LAB09190

Lab Test Days

Daily

Standard TAT

5-7 Days


Collection Information

Specimen Required

1-5 mL Whole Blood or 0.5-1 mL Bone Marrow

Container Type

Lavender (EDTA)

Collection Instructions

Whole blood or bone marrow collected in a sodium heparin (green-top) tube is also acceptable.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Ambient-OK

Specimen Stability

Room Temp=7 Days; Refrigerated=7 Days; Frozen=Unacceptable

Test Volume Required

5 mL Whole Blood or 3 mL Bone Marrow

Minimum Test Volume

3 mL Whole Blood or 1 mL Bone Marrow

Processing Instructions

Indicate source in comments, on specimen and on batch sheet.


Comments

Insurance authorization is required prior to draw for Outpatients. Ok to send on Inpatients. No special forms needed.


CPT Codes

81270, reflex to 81219, 81279, 81339, 81479


Revised

03-04-22

Initials

CL