Stanford Hospital & Clinics and Lucile Packard Children’s Hospital
Test Name : Paroxysmal Nocturnal Hemoglobinuria Screen (PNH) Screen Order Code : PATH13/FCPATH
Note: For SHC patients order PATH13. For LPCH and outreach patients order FCPATH
Synonyms: Flow Cytometry for PNH Screen, CD59, FLAER
Specimen Type: Whole Blood only
Container Type: Lavender-top tube (EDTA)
Required Volume: 4 mL
Minimum Volume (Pediatric): 1 mL
Methodology: Flow Cytometer. Results interpretation by pathologist.
Components: CD59 for RBC; FLAER, CD24, CD33, CD14 and CD15 for WBC
Standard Run Times: Daily
Turnaround Time: 48 hours
Special Handling: Transport at Room Temperature, to be received within 24 hours of collection.
CPT Codes: 85060, 88184, 88185 x 7, 88187
Causes For Rejection: Hemolyzed specimen, clotted specimen, improperly labeled specimen
Department: Flow Cytometry