Alert

Lymphocyte Markers, Limited Panel

Tube Type

Includes: CD3/CD4 (T-helper), CD3/CD8 (T-Cytotoxic), CD4/CD8 Ratio See also Lymphocyte Markers Complete Panel and Leukemic Markers

Test ID LAB5922
EPIC Order LYMPHOCYTE MARKERS LIMITED
CPT Code(s) 86359, 86360
Group/Individual Test Group
Laboratory Clinical Flow Cytometry Laboratory
Tube Station 82
Specimen Routine: 3 mL blood/Lavender EDTA Tube
Stability: Specimen is stable for testing up to ≤48 hours from collection
Availability Routine: Accepted Monday-Saturday. Samples collected after Noon on Saturday will be tested on the following working day; See Comments
STAT: N/A
Turnaround Time 72 hours
Reference Range Normal:

Reference ranges are included with results.

CD4 CD8 Reference Ranges
Comments
  • Must be received at ROOM TEMPERATURE 
  • CBC/Diff required for Absolute Markers Values
  • Lymphocyte markers include CD3, CD4, CD8 + H/S Ratio
  • Acceptable volume for pediatric patients is 1 mL of blood. CBC/Diff tube can be shared for this test.

Reviewed by J. Carr on November 24, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514