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Lab Test Dictionary

B-cell Receptor IGH Gene Rearrangement, PCR (90362)


Polymerase Chain Reaction (PCR), Fragment Analysis


B-Cell Clonality; B Cell

Specimen Type

Whole Blood or Bone Marrow

Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID

Other Reference Test

Lab Test Days


Standard TAT

5 Days

Collection Information

Specimen Required

3-5 mL Whole Blood or 0.5-1 mL Bone Marrow

Container Type

Lavender (EDTA)

Collection Instructions

Bone marrow collected in a sodium heparin (green-top) tube, formalin-fixed paraffin embedded tissue, tissue in a sterile transport tube, or fine needle aspirates are also acceptable.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 7 Days (unacceptable for fresh/unfixed tissue); Refrigerated: 7 Days (unacceptable for fresh/unfixed tissue); Frozen: Unacceptable (1 Year for fresh/unfixed tissue)

Test Volume Required

5 mL Whole Blood or 1 mL Bone Marrow

Minimum Test Volume

3 mL Whole Blood or 0.5 mL Bone Marrow


Insurance authorization is required prior to draw for Outpatients. Ok to send on Inpatients.

CPT Codes

81261, 84999