Tube Type

INCLUDES: Monoclonal antibodies
CD3, CD4, CD8, CD2, CD19

Test ID LAB11006
CPT Code(s) 86359, 86360
Group/Individual Test Group
Laboratory Clinical Flow Cytometry Laboratory
Tube Station 82
Specimen Routine: 3 ml blood/lavender top tube; see important Comments
Stability: Specimen is stable for testing up to ≤48 hours from collection
Availability Routine: Test available Monday-Saturday; Weekends only with prior arrangements (call Flow Cytometry Laboratory at (984)974-1765)
Turnaround Time Approx. 4 hours after receipt in Flow Cytometry Laboratory
Reference Range Normal: Reference ranges for requested markers are included with results
  • CBC with Differential required for absolute counts. Must be drawn at the same time with the flow cytometry specimen in a separate EDTA top tube.
  • Sample to be drawn a minimum of 6 hours after conclusion of drug administration
  • Testing will not be performed on any sample with an Absolute Lymphocyte Count (ALC) of 0.0 and will be reported as Quantity Not Sufficient (QNS)
  • Call flow cytometry laboratory with any questions at 984-974-1765

Reviewed by Christopher Parker on May 13, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

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