Factor 8 Activity

CERNER / EPIC MNEMONIC:

F8 ACT

POE DESCRIPTION:

F8 ACTIVITY

CPT CODE: 85240
DAYS PERFORMED: Mon-Sun, 1600-2300
TURNAROUND TIME: 24 hours
SPECIAL INSTRUCTIONS:

This test cannot be added onto an existing sample more than 4 hours old.

CONTAINER TYPE: Blue top (sodium citrate) tube
COLLECTION: See Section - " Specimen Collection Guidelines" - Coagulation Specimens
SPECIMEN REQUIREMENTS: Blood, 4.5 mL tube or pediatric 1.6 mL or 2.7 mL tube
REJECTION CRITERIA:

Specimen hemolyzed; Hct >55%

MINIMUM VOLUME: 3.5 mL blood (1 mL plasma)
HANDLING INSTRUCTIONS: Transport the specimen to the laboratory as soon as possible. Specimen MUST be received within 4 hours after collection
REFERENCE RANGE: 50- 150%
TEST SYNONYM(S):AHF; Antihemophilic Factor