Paroxysmal Nocturnal Hemoglobinuria (PNH)
GENERAL INFORMATION
Test Name:
Paroxysmal Nocturnal Hemoglobinuria (PNH)
PC/NPS Test Code:
FLOW PNH
CPT Code(s):
88184 + (88185 X 7) + 88187
Methodology:
Flow Cytometry.
High sensitivity testing (0.01% sensitivity for detection of granulocyte and RBC PNH populations).
Days of Week Performed:
M, Tu, W, Th, F
Routine TAT:
Y1-2 days
Reference Range(s):
Negative for PNH granulocytes, monocytes and red blood cells.
COLLECTION AND HANDLING:
Collection Instructions:
One 5 ml lavender (EDTA) tube. Refrigerate if the specimen will not be tested within 1-2 hours.
Collection Containers:
N/A
Specimen Transport Requirements:
Transport and store refrigerated. Do not freeze. Submit to laboratory within 5 days.
Specimen Labeling:
Label tube with two patient specific identifiers
Rejection Criteria:
Clotted samples, samples >5 days old, frozen specimens.
Specimen Retention Time:
Surplus samples are saved for 7 days in the refrigerator.









