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.
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
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
Reference Range
See report
Performing Laboratory
Quest SJC
New York DOH Approval Status
Yes