Factor VIII Assay

Centralized Core Laboratory:Hematology

Test ID/Workstation: FVIII ACOAG

Specimen Type: Blood

Tube Type: Blue top (sodium citrate) tube

Collection Volume: 2.7 mL (minimum 1.8 mL)

Must use appropriate sodium citrate tube based on volume of blood drawn (1.8 mL or 2.7 mL tube)

Cause for rejection: Samples hemolyzed, clotted, diluted with IV fluid; contam with heparin; improperly filled; not kept on ice; received > 1 hr after drawn

Storage: Frozen

Availability: Daily (0700-1500)

Methodology: Photometric/Turbidometric

Special Instructions: Call CCL in advance to schedule test. Indicate the time replacement therapy was administered, amount & type of therapy given, whether the specimen was drawn pre-treatment or post-treatment and the time drawn. Indicate if a specimen has been drawn from an arterial line or from a line that has been rinsed with heparin.

Lab/Phone: 330-543-8416

TAT: 4 hours

Additional Info: Reference range:

50-170%

CPT Code: 85240

Synonyms: Antihemophiliac Factor (AHF)

Requisition Form
View and print a requisition form for this test

Bookmark and Share

iGrow iGrow
Sign up for our parent enewsletter
Contact Us

330-543-1000 (operator)

330-543-2000
(8 a.m.-4:30 p.m.)

E-mail

find a location
Find a location Type the first 3-5 letters of a specialty, service or location:
Or, view: a map, a list of all locations, locations by city or locations near me.
find a doctor
Find a doctor Type the first 3-5 letters of the name, location or specialty:
Or, view a list of all doctors by name, location and specialty.