PROTEIN C ANTIGEN

Specimen Required
Draw blood in a light blue 3.2% sodium citrate tube. See appendices for coagulation test collection instructions. Send 1.0 mL plasma (0.5 mL minimum) frozen in a screw-capped plastic vial.
Separate samples should be submitted when multiple tests are ordered.
CRITICAL FROZEN.

Rejection Criteria
Hemolyzed samples; Thawed samples

Methodology
Enzyme Immunoassay

Stability
Room Temperature: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month
CRITICAL FROZEN. Testing cannot be performed on a sample that has been thawed and refrozen.

Reference Range
0-10 days:   0-50%  
>10 days:   72-160%  

Performed
Tuesday, Friday

Turnaround Time3-5 days
Test CodePCAG
CPT-4 Code (s)
85302
LOINC Codes
27820-0

Warde
Medical
Laboratory