Factor VII Activity Assay  Email this article           Printer friendly page

Primary Name Factor VII Assay
Synonym Factor VII functional assay
Synonym --
Contraction FVII
Contraction --
Contraction --
UAB Procedure Number 2500280
CPT Code 85230
Specimen Collect one (1) blue-stopper tube (3.2% sodium citrate), filled to specified volume. Do not underfill or overfill. Transport at room temperature.

Specimen Management Note time of collection and time of last treatment if applicable. 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
Test Performed Monday through Friday
Available Stat? Pathologist's approval required.
Description Congenital factor VII deficiency is rare and is inherited as one of several autosomal recessive mutations. Acquired factor VII deficiency is caused by liver disease, vitamin K deficiency or the use of Coumadin (warfarin) therapy. Factor VII deficiency is associated with moderate to severe bleeding. The combination of a prolonged prothrombin time and normal partial thromboplastin time may indicate factor VII deficiency.
Reference Interval 50-150%
Critical Value --
Therapeutic Range --
Follow-up Test None
Associated With Bleeding disorders
Associated With Liver disease
Associated With Vitamin K deficiency
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