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Lab Test Dictionary

von Willebrand Disease (vWD) Type 2N (vWF: Factor VIII Binding Activity) (70068)

Methodology

Immunoassay (IA)

Synonyms

VWD, Type 2 Normand; von Willebrand Disease 2N, Type II Normandy; von Willebrand Factor; Factor VIII Binding

Specimen Type

Plasma

Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID

Other Reference Test

Lab Test Days

As needed, at least 1x per month

Standard TAT

1 Day after run

Collection Information

Specimen Required

(one) 1.8 mL or (one) 2.7 mL Blood

Container Type

Light Blue (Sodium Citrate)

Collection Instructions

Patient must not be given any recombinant vWF or vWF concentrates prior to testing.

Processing Information - Lab Use Only

Transport Temperature

Frozen-Only

Specimen Stability

Room Temp: Unacceptable; Refrigerated: Unacceptable; Frozen: 21 Days

Rejection Criteria

Gross hemolysis, Lipemia; Contaminated specimens; Improperly stored or handled specimen

Test Volume Required

1 mL Plasma

Minimum Test Volume

0.5 mL Plasma

CPT Codes

83520

Revised

05-09-18