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Lab Test Dictionary

Lymphocyte Clonality Panel, PCR (91634)


Polymerase Chain Reaction (PCR); Fragment Analysis

Specimen Type

Whole Blood or Bone Marrow

Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID

Other Reference Test

Lab Test Days

Monday and Wednesday

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

Whole blood or bone marrow collected in a sodium heparin (green-top) tube, Formalin-fixed, paraffin embedded tissue, Tissue in sterile transport tube or Fine needle aspirate (FNA) is also acceptable.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 7 Days (Indefinite for Formalin fixed paraffin embedded tissue); Refrigerated: 7 Days (Indefinite for Formalin fixed paraffin embedded tissue); Frozen: Unacceptable (1 Year for Tissue or Fine Needle Aspirate (FNA)

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

Included Tests

B-cell Gene Rearrangement (IGH, IGK),T-cell Gene Rearrangement (TCRG, TCRB) and Pathologist Interpretation.


Insurance authorization is required prior to draw for outpatients. Ok to send on inpatients.

CPT Codes

81261, 81264, 81342, 81340, 84999