74808-7

LOINC 2.82

von Willebrand factor (vWf).activity actual/normal in Platelet poor plasma by Immunoassay --immediately after 1:1 addition of normal plasma

vWf:Ac Act/Nor imm 1:1 NP PPP IA

Definition

  • Decreased levels of von Willebrand factor (vWF) activity can lead to significant bleeding abnormalities. Decreased levels may be due to decreased production of von Willebrand factor or the presence of an inhibitor. Normal control plasma is added to patient plasma in equal amounts to evaluate the cause of the decreased vWF activity.

Component

  • von Willebrand factor.activity actual/Normal^immediately after 1:1 addition of normal plasma

Specimen / system

  • PPP

Class

  • COAG

Property

  • RelRto

Scale

  • Qn

Method

  • IA

Related names

  • Act/Nor; Activ; Actvty; COAGULATION; Control; EIA; ELFA; ELISA; Enzyme immunoassay; Fac; Fact; Hematology; Heme; i; IAA; imm 1:1 NP; MEIA; Movements; Plas; Platelet poor plasma; Point in time; QNT; Quan; Quant; Quantitative; Random; Relative ratio; SUDS; Von will; Vonwillebrand; vWf; vWf:Ac

Index terms

  • Act/Nor
  • Activ
  • Actvty
  • COAGULATION
  • Control
  • EIA
  • ELFA
  • ELISA
  • Enzyme immunoassay
  • Fac
  • Fact
  • Hematology
  • Heme
  • i
  • IAA
  • imm 1:1 NP
  • MEIA
  • Movements
  • Plas
  • Platelet poor plasma
  • Point in time
  • QNT
  • Quan
  • Quant
  • Quantitative
  • Random
  • Relative ratio
  • SUDS
  • Von will
  • von Willebrand factor.activity actual/Normal^immediately after 1:1 addition of normal plasma
  • Vonwillebrand
  • vWf
  • vWf:Ac