T-CELL RECEPTOR GENE REARRANGEMENT PCR BLOOD

General Information

HLAB/HOL Code: TCRGR
UPHSM LIS Test #: 026635
Schedule:
Testing Time: 5-10 Days
Testing Lab: Mayo

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 4.0 mL Whole Blood
Temperature: Ambient
Tube Type: Whole Blood (EDTA)
Collection Info:
Preferred: Lavender top (EDTA)
Acceptable: Yellow top (ACD)
Collection Instructions:
1. Invert several times to mix blood.
2. Send specimen in original tube. Do not aliquot.

Additional Information: Include relevant clinical information and cytogenetics
results, if available.

Specimen Acceptability

REJECT DUE TO:
Gross hemolysis: Reject
Moderately to severely clotted: Reject

Methods

Polymerase Chain Reaction (PCR)

Clinical Utilities

Determining whether a T-cell population is polyclonal or monoclonal using blood specimens

CPT Codes

81340-TCB (T cell antigen receptor, beta) (eg, leukemia and lymphoma), gene rearrangement analysis to detect abnormal clonal population(s); using amplification methodology (eg, PCR)

81342-TCG@ (T cell receptor, gamma) (eg, leukemia and lymphoma), gene rearrangement analysis, evaluation to detect abnormal clonal population(s)

* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Reference Range

An interpretive report will be provided.