Specimen Requirements

Title

PROTEIN C (ACTIVITY)

Specimen Requirement

Draw blood in a light blue sodium citrate tube. See appendices for coagulation test collection instructions.

Send 1.0mL plasma frozen in a screw-capped plastic vial. Indicate “plasma/blue top” on vial.

Separate sample should be submitted when multiple tests are ordered.

 

Methodology

Stability

Critical Frozen

Reference Range

By Report*

Turnaround

Performed Tues & Friday

Clinical Use

Protein C deficiency can lead to thrombotic complications. Acquired Protein C deficiency is noted in coumadin therapy, DIC, acute thromboembolic disease, severe liver disease, hemolytic uremic syndrome and in TTP.

Test Code

PTCAS