Reptilase Time, Plasma  Email this article           Printer friendly page

Primary Name Reptilase Time
UAB Procedure Number 2500365
CPT Code 85635
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
Test Performed Monday-Friday
Available Stat? No
Description Prior to performing a reptilase time, the lab will perform a thrombin time. If the thrombin time is normal, there is no indication for a reptilase time, and the reptilase will be cancelled. If the thrombin time and reptilase time are both prolonged, this implies fibrinogen deficiency or abnormal fibrinogen such as is produced in liver disease. 
Reference Interval < 1.3x normal control
Associated With Bleeding disorders
Associated With Heparin therapy
Associated With Liver disease
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