Test Details
Mnemonic
PRSF
Ordering Code
3005100
CPT-4 Code(s)
85306
Specimen Information
Collect
Light blue sodium citrate
Specimen Preparation
Send 1.0 mL plasma in a screw capped plastic vial. Separate samples should be submitted when multiple tests are ordered. CRITICAL FROZEN.
Minimum Volume
0.5 mL
Transport Temperature
Critical frozen
Rejection Criteria
Hemolyzed specimen, thawed specimen, refrozen specimen, serum
Stability
Room temperature: 4 hours
Refrigerated: Unacceptable
Frozen (-20°C): 30 days
Refrigerated: Unacceptable
Frozen (-20°C): 30 days
Methodology
Immunoturbidimetric
Reference Range
Male: 57 - 171% normal
Female: 50 - 147% normal
Female: 50 - 147% normal
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes