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Test Code 5472172 FACTOR VIII INHIBITOR SCREEN

Test ID

1233000069

Specimen Requirements

Collection Requirements Specimens should be collected in 2-3 mL 3.2% sodium citrate (light blue top) tubes from peripheral veins, when possible. When drawn from an indwelling line, 5 ml saline flush followed by 5 ml discard tube should be performed. Do not under or over-fill collection tubes. Gently invert the tube end-over-end 8-10 times. If hematocrit is >55%, contact coagulation lab prior to sample collection.
Shipping / Handling Instructions Outpatient specimens: Specimens should be centrifuged and frozen within 4 hours of collection to generate platelet-poor plasma. A minimum of 0.5 ml frozen citrated plasma is needed per test ordered.
Inpatient specimens: Transport at room temperature. Specimens should be received in lab within 2 hours of collection.

Container Type

Laboratory Container Default Temperature Minimum Volume
CUH LAB BLUE-NA CITRATE Yes Frozen 3.0

Performing Section

CUH LAB: CUH COAG

Components

Component Name Component ID LOINC Code
PRE-MIX PTT FACTOR VIII INHIBITOR SCREEN 1230003059 3173-2 (Coagulation surface induced:Time:Pt:Bld:Qn:Coag)
POST-MIX 2 HR PTT FACTOR VIII INHIBITOR SCREEN 1230003060
POST-MIX 2 HR CONTROL PTT FACTOR VIII INHIBITOR SCREEN 1230003061
FACTOR VIII INHIBITOR SCREEN INTERPRETATION 1230002334