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Lab Test Dictionary

VWD Diagnostic Evaluation (1800)


Synonyms

F8; Factor 8; Factor VIII; Von Willebrand Disease; Von Willebrand Factor

Specimen Type

Plasma

Performing Lab

Versiti Wisconsin


Epic ID

LAB09234

Standard TAT

14 Days


Collection Information

Specimen Required

(four-seven) 1.8 mL or (three-six) 2.7 mL Blood

Container Type

Light Blue (Sodium Citrate)


Processing Information - Lab Use Only

Transport Temperature

Frozen-Only

Rejection Criteria

Hemolysis

Test Volume Required

(six) 1 mL Platelet-Poor Plasma

Minimum Test Volume

(six) 0.5 mL Platelet-Poor Plasma

Processing Instructions

Complete a Versiti Wisconsin Hemostasis requisition and submit with specimens frozen Monday-Friday.


Included Tests

Factor VIII Activity, VWF Antigen, VWF GP1bM Activity and VWF Collagen Binding; Reflex testing may include: VWD Type 2B Binding; VWD Type 2N Binding; VWF Propeptide Antigen; VWF Quantitative Multimer.


CPT Codes

85240 (x2), 85246 (x2), 85397, 83520 (x3); 83519, 85247


Revised

01-01-21

Initials

cas