A
5200 Harry Hines Blvd.
,
Dallas
,
TX
75235
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General Information
Performed: Mon-Fri, 0700 to 1530
Turn Around Time: 1 day
CPT Codes: 85335
Performed By: Hematology
Notes: Results not affected by hemoglobin up to 500 mg/dL, triglycerides up to 1000 mg/dL and bilirubin up to 26 mg/dL.
Clinical Utility: To aid in screening patients with either congenital or acquired Factor VIII deficiencies for the presence of an inhibitor before performing a Factor VIII Inhibitor Assay. A positive Factor VIII Inhibitor Screen reflexes an order for the Factor VIII Inhibitor Assay.
Unacceptable Conditions: QNS, clotted, and/or hemolyzed samples
Components
Name |
Method |
Sex |
Age Range |
Ref. Range Low |
Ref. Range High |
Units |
Factor VIII Inhibitor Screen |
Clot based assay |
|
|
|
Negative |
|
Reflex: |
|
|
|
|
|
|
Factor VIII Inhibitor Assay, Human |
|
|
|
|
0 |
BU/mL |
Specimen Requirements
Type |
Container |
Volume |
Units |
Collection / Delivery |
Storage / Transport |
Off Campus |
Blood |
Blue Na Citrate, 3mL |
Draw to fill line |
|
Send to Lab within 3 hrs of collection |
Room Temperature |
Deliver to Logistics Hematology Lab via STAT courier |