FVIII INH

Coagulation Factor VIII (8) Inhibitor

EPIC Test Procedure Code: LAB2131

Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Light blue top (sodium citrate) tube
Specimen Type:

Plasma

Preferred Volume:
4 mL
Minimum Volume:
2 mL
Collection Procedure:
Specimen Processing:

1. Collect blood and centrifuge the tube at 3000 rpm for 10 minutes.
2. Immediately transfer the plasma to a stoppered, plastic tube and centrifuge again at 3000 rpm 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: 4 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:

85240 - Factor VIII Assay (EAP 30020660)
85335 - Factor 8 Inhibitor-if performed (EAP 30020680)

Test Schedule:
Monday through Friday
Reference Ranges:

0.0 - 0.5

Bethesda units
Notes:

FVIII "Coagulation Factor VIII (8) Assay" will be performed and resulted in addition to the inhibitor assay.
If FVIII "Coagulation Factor VIII (8) Assay" is > 15 %, the inhibitor assay will not be performed.

Lab Personnel

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