Alpha Beta and Gamma Delta T Cells
Test Code
TCR
Description
Collect
Draw one green top tube (sodium or lithium heparin)
Specimen Preparation
Do NOT centrifuge! Keep at room temperature (18-22°C).
Preferred volume: 4 mL
Pediatric Collection
Minimum volume: 1 mL blood
Unacceptable Conditions
Frozen, clotted, hemolyzed or centrifuged specimens. Anticoagulants other than heparin. Specimens >24 hrs old.
Storage Transport Temp
Maintain and transport specimens at room temperature (18-22°C).
Ship specimens Priority Overnight via Fed Ex in container sufficiently insulated to avoid temperature extremes (<10°C and >37°C).
Stability
24 hours at room temperature (18-22°C).
Notes
Samples must arrive within 24 hours of draw and are accepted Monday through noon on Friday.
Reference Interval
- CD3+ / AB+ >85% of CD3+ T Cells
- CD3+ / GD+ 0.5-6.0% of CD3+ T Cells.
Interpretation
This panel is useful for assessing percentages of alpha/beta and gamma/delta T cells.
CPT Code
88184, 88185 x 5