C PROT IMM
Protein C Antigen
EPIC Test Procedure Code: LLAB2703
Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Light blue top (sodium citrate) tube
Specimen Type:
Plasma
Preferred Volume:
2 mL
Minimum Volume:
1 mL
Collection Procedure:
Specimen Processing:
1. Centrifuge specimen in a centrifuge that has been validated to ensure platelet poor plasma.
2. Immediately transfer the plasma to a stoppered, plastic tube and centrifuge again for 10 minutes.
3. Transfer the supernatant plasma into a screw-capped, plastic vial and send at ≤ -20 °C, if possible.
4. If unable to centrifuge, forward unprocessed sodium citrate whole blood (minimum volume: 2 mL) to the laboratory promptly at room temperature only.
Store and Transport:
Frozen
Stability:
Unspun specimens must arrive within 2 hours of collection.
Unacceptable Condition:
Specimens from patients receiving warfarin (Coumadin®) are unacceptable.
CPT Codes:
85302 - Protein C Antigen (EAP 30022400)
Test Schedule:
Thursday
Method:
Enzyme-linked immunosorbent assay (ELISA)
Reference Ranges:
65 - 140 % of normal