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Labcorp Oklahoma, Inc.
Test Directory


Paroxysmal Nocturnal Hemoglobinuria (PNH) (FLAER)

Order Name PNH FLOW
Test Number: 9126105
Revision Date 10/01/2022
Test Name Methodology LOINC Code
Paroxysmal Nocturnal Hemoglobinuria (PNH) (FLAER)
Flow cytometry  
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 5 mL (3 mL) Whole Blood EDTA (Lavender Top) Room Temperature
Alternate 1 5 mL (1 mL) Bone Marrow EDTA (Lavender Top) Room Temperature
Instructions For Best Stability - Collect Monday through Thursday!
Send specimen to Labcorp Oklahoma, Inc. Central Lab ASAP on the same day of collection to maintain optimal stability!

(Specimens received at Labcorp Oklahoma, Inc. Central Lab after Noon on Friday will not reach the performing lab within stability.)

Keep at room temperature! (DO NOT FREEZE). Frozen samples will be rejected.
(Sodium or Lithium Heparin No-Gel and Yellow ACD tubes are also acceptable)
Stability: Room temperature 48hrs, Refrigerated 48hrs, Frozen N/A.
Testing Schedule Monday-Saturday  
Expected TAT 2-4 Days  
Clinical Use Paroxysmal nocturnal hemoglobinuria (PNH) is an acquired hematologic disorder characterized by nocturnal hemoglobinuria, chronic hemolytic anemia, thrombosis, pancytopenia, and, in some patients, acute or chronic myeloid malignancies. 
CPT Code(s) 88184, 88185x4, 88187
Lab Section Reference Lab