Test Details

Mnemonic

TCRGQ

Ordering Code

3427200

CPT-4 Code(s)

81342, 84999 (G0452)

Specimen Information

Collect

Lavender EDTA

Specimen Preparation

Send 5.0 mL whole blood in original collection tube or a screw capped plastic vial.

Alternate Specimen

Bone marrow: 3.0 mL (1.0 minimum) EDTA
Paraffin block (room temperature), fresh/unfixed tissue sample (frozen -70°C)
8 (4 minimum) unstained charge (+) slides and include pathology report.

Minimum Volume

3.0 mL

Transport Temperature

Room temperature

Stability

Whole blood/bone marrow:
Room temperature: 7 days
Refrigerated: 7 days
Frozen: Unacceptable

Paraffin block/slides:
Room temperature: 5 years
Refrigerated: 5 years
Frozen: Unacceptable

Fresh tissue:
Frozen: (-70°C) 1 year

Methodology

Polymerase Chain Reaction, Fragment Analysis
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Reference Range

See report
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Performing Laboratory

Quest SJC
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