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Primary Name Fitzgerald Factor Assay
Synonym High molecular weight kininogen assay (Flaujeac Factor)
Synonym Flaujeac factor assay
Contraction HMW kininogen assay
Contraction HMWK assay
Contraction --
UAB Procedure Number 2500560
CPT Code 85293
Specimen Collect one (1) blue-stopper tube (3.2% sodium citrate), filled to specified volume. Do not underfill or overfill.

Specimen Management Centrifuge blue-stopper tube within one (1) hour of collection, separate plasma and test or quick-freeze at -70°C.
Specimen Accepted Daily including weekends. Specimens from outside UAB Hospital will not be sent out to reference laboratories.
Test Performed Test performed by reference laboratory.
Available Stat? No.
Description Fitzgerald factor deficiency accounts for a prolonged activated partial thromboplastin time (APTT) test result. However, the deficiency has no clinical consequences.
Reference Interval 65-135%
Critical Value --
Therapeutic Range --
Follow-up Test --
Associated With --

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