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PNH Testing by Flow Cytometry (FLAER)

Tube Type

(Replaces PNH /Screen by Flow Cytometry(CD59-PNH)

Test ID LAB5918
EPIC Order
PNH ASSAY
CPT Code(s) 88184, 88185 x 7, 88187
Group/Individual Test Group
Laboratory Clinical Flow Cytometry
Tube Station 82
Specimen Routine: 3 ml blood/lavender EDTA tube; See Comments
Availability Routine:

Accepted Monday-Saturday.

Samples received after Noon on Saturday will be tested on the following working day; See Comments
  STAT: N/A
Turnaround Time 72 hours
Reference Range Normal: Not Consistent with PNH
Comments
  • Specimen is stable for testing up to ≤48 hours from collection.
  • Test is performed on peripheral blood only.
  • Specimens must be refrigerated within 24 hours of collection.

Reviewed by J. Carr on November 24, 2025

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