Test Details
Mnemonic
PROTC
Ordering Code
2501050
CPT-4 Code(s)
85303
Specimen Information
Collect
Light blue sodium citrate
Specimen Preparation
Send 1.0 mL plasma in a screw capped plastic vial. Separate sample 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: 8 hours
Refrigerated: Unacceptable
Frozen: 30 days
Refrigerated: Unacceptable
Frozen: 30 days
Methodology
Chromogenic
Reference Range
70 - 130%
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes