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Lab Test Dictionary

T-Cell Receptor (TCR) Gamma Gene Rearrangement, PCR (90509)

Methodology

Polymerase Chain Reaction (PCR), Fragment Analysis


Synonyms

T-Cell Receptor (TCR) Clonality; TCR-Gamma Clonality

Specimen Type

Whole Blood or Bone Marrow

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

LAB07495

Lab Test Days

Monday and Wednesday

Standard TAT

7 Days


Collection Information

Specimen Required

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

Container Type

Lavender (EDTA)

Collection Instructions

Bone marrow collected in sodium heparin (green-top) tube is also acceptable. Formalin-fixed, paraffin embedded tissue, tissue in sterile transport tube or Fine needle aspirates (FNA) are 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 1 mL Bone Marrow Aspirate

Minimum Test Volume

3 mL Whole Blood or 0.5mL Bone Marrow Aspirate

Processing Instructions

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


Included Tests

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


CPT Codes

81340, 84999


Revised

01-27-16

Initials

SL