previous

Factor VIII (cp) (Citrated plasma, frozen (cp))

Specimens: 1 ml Citrated plasma, frozen (cp)
Preanalytics/Notes: Please always send a separate specimen for this test.

To avoid clotting please mix test tube carefully several times directly after collection of blood. Centrifugation process should be started after about 60 minutes. Please centrifuge sample at least for 15 minutes (1500 x g). Plasma / supernatant should be transferred by pipette to a collection tube without any buffer or other substances. Please label as citrated plasma. Freeze and send frozen.
Method: Turbidimetry
Dimension: %
Set-up: Mon Tue Wed Thu Fri Sat Sun
Duration: 3 days
Indication/Significance:
  • Diagnostic assessment of a prolonged aPTT of unclear origin The additional determination of factors IX, XI and XII is sensible here as well as lupus anticoagulant testing
  • Anamnestic bleeding tendency or known factor deficiency in the family, e.g. indication of haemophilia
  • Diagnostic assessment of thrombosis tendency or suspected increased risk of a thrombosis in asymptomatic persons, e.g. abnormal family anamnesis
  • Monitoring of a substitution therapy with factor VIII concentrate in the case of haemophilia A
Interpretation:
Further tests:

Determination of factors IX, XI and XII in addition to the diagnostic assessment of a prolonged aPTT; molecular genetic diagnosis

performance by Bioscientia medical service centers​

Reference range / valuation (openclose)

initial letter


Abrechnung GOÄ

Die Kosten werden für den i. d. R. genutzten 1,15-fachen GOÄ-Satz dargestellt. Wird die Unter­suchung nicht in Ihrem regionalen Labor durch­geführt, erfolgt die Analyse in dem Labor, das im Leistungs­ver­zeich­nis genannt ist. In diesem Fall gilt der dort für die Untersuchung angegebene Preis.