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Test Code LAB306 Factor VIII Assay

Department

HEMATOLOGY

Collection Requirements

Must be a full draw.

Mix thoroughly immediately after collection.

Primary Collection Container

Blue 2.7 mL (Citrate)

Transport

Platelet-poor plasma frozen

Preferred Transport Temperature

Frozen

Processing

Mix tube thoroughly.

Centrifuge at 3300 rpm for 20 minutes.

Stability

Ambient: Unacceptable

Refrigerated: 2 hours

Frozen: 30 days

Minimum Testing Volume

2.7 mL

Reference Range

80-120%

Methodology

Turbidimetric Clot Detection

ACL Top

Performed

Sunday – Saturday

7:00 am – 2:00 pm

Reported

As completed

CPT Codes

85240

Unacceptable Conditions

Hemolyzed, clotted, short draw, non-frozen and serum specimens.