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ID:895 Kasper Inhibitor Screen
Search Links: General Info : Protocols : Patient Info

DescriptionA sensitive inhibitor screen designed to detect the presence of FVIII & FIX inhibitors in the treatment of haemophilia patients
IndicationAll treated haemophilia A & B patients should undergo inhibitor screening.
Additional InfoThis method can be adapted to screen for other coagulation factors. If this screen is positive, then a Bethesda inhibitor assay should be run.
Concurrent TestsFVIII or FIX assays
Dietary RequirementsNone

InterpretationNo inhibitor detected if the difference between the patients and control plasmas is less than 12 seconds. A result between 12 and 20 seconds may be equivocal depending upon clinical history. Reported as positive or negative.

Ref. Range (Male)
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range Notes Critical telephone values: All new / relapsed positive screens will be phoned to the appropriate haematology consultant
UnitsPositive/Negative

Other Help:National Laboratory Medicine Handbook

IP Acute TAT- Contact Laboratory
IP Routine TAT7 days
GP Acute TAT- Contact Laboratory
GP Routine TAT- Contact Laboratory
Turnround CommentSpecialist test only requested as part of an investigation by a haematologist.
Originally edited by : RJAR. Last edited on 18/06/2019 10:36:03. Published By RJAR on 18/06/2018 10:36:03.