FX
Coagulation Factor X (10) Assay
EPIC Test Procedure Code: LAB2132
Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Light blue top (sodium citrate) tube
Specimen Type:
Platelet Poor 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 frozen at ≤ -20° C, if possible.
4. If unable to centrifuge, forward the unprocessed sodium citrate whole blood (minimum volume: 2 mL) to the laboratory promptly at room temperature only.
Store and Transport:
Frozen (plasma)
Stability:
Unspun specimens must arrive within 2 hours of collection.
CPT Codes:
85260 - Factor X Assay (EAP 30020740)
Test Schedule:
Monday through Friday
Method:
Clotting Activity
Reference Ranges:
50 - 150
%