ARUP's Laboratory Test Directory

T-Cell Clonality Screening by PCR : 0055567

Mnemonic: T CELL-F

Methodology: Polymerase Chain Reaction/Capillary Electrophoresis
Performed: DNA isolation: Sun-Sat; Assay: Varies
Reported: 5-7 days
Specimen Required: Collect: Lavender (EDTA) or bone marrow (EDTA) OR tissue.

Specimen Preparation: Whole blood: Transport 5 mL (Min: 1 mL) OR Bone marrow: Transport 3 mL (Min: 1 mL)OR Fresh tissue: Freeze immediately. Transport 100 mg or 0.5-2.0 cm3 tissue OR FFPE tumor tissue: Formalin fix (10 percent neutral buffered formalin) and paraffin embed tissue. Protect from excessive heat. Transport tissue block or four 10-micron shavings. Tissue block will be returned after testing.

Storage/Transport Temperature: Whole blood OR Bone marrow: Refrigerated. Fresh tissue: Frozen on dry ice. FFPE tumor tissue: Room temperature or refrigerated. Ship in cooled container during summer months.

Unacceptable Conditions: Serum. Frozen whole blood or bone marrow. Clotted or grossly hemolyzed specimens. Specimens fixed/processed in alternative fixatives or heavy metal fixatives (B-4 or B-5) or tissue sections on slides. Decalcified specimens.

Stability (collection to initiation of testing): Whole blood OR Bone marrow: Ambient: 24 hours; Refrigerated: 5 days; Frozen: Unacceptable Fresh Tissue: Ambient: Unacceptable; Refrigerated: 2 hours; Frozen: 1 year FFPE tumor tissue: Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable
Interpretive Data: Refer to report.

Refer to Statement B under Testing Information at http://www.aruplab.com.
CPT Code(s): 83891 Isolation; 83898 x4 Amplification; 83896 x3 Nucleic acid probes; 83909 x4 Capillary electrophoresis; 83912 Interpretation and report  - Additional CPT code modifiers may be required for procedures performed to test for oncologic or inherited disorders.
Cross References: T Cell Gamma (T-Cell Clonality Screening Assay by PCR, Fluid), T Cell Gene Rearrangement (T-Cell Clonality Screening Assay by PCR, Fluid), TCRG (T-Cell Clonality Screening Assay by PCR, Fluid)
 
 

 

 

 
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