Factor VIII Bethesda Titer

TEST: 500697
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CPT: 85240; 85335
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Test Includes

Factor VIII Activity and Factor VIII Bethesda Titer Only

Expected Turnaround Time

1 - 3 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Specimen Requirements

Specimen

Citrated plasma

Volume

Two tubes, 2 mL each

Minimum Volume

2 mL (Note: This volume does not allow for repeat testing.)

Container

Light blue-top (sodium citrate) tube

Storage Instructions

Ship frozen on dry ice.

Test Details

Methodology

Clot