Test Overview
Test Methodology

Mechanical clot detection after addition of snake venom.

Test Usage

Screening procedure for monitoring levels of functional fibrinogen.

Reference Range *

< 22 seconds

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Daily (Monday - Friday only)
Analytic Time

1 hour

Soft Order Code
REPT
MiChart Code
Reptilase Time
Synonyms
  • REPTILASE
  • REP CONT
  • REP PT
  • REPTILASE CONTROL SECONDS:
  • REPTILASE PATIENT SECONDS:
Laboratory
Hematopathology
Section
Coagulation
Specimen Requirements
Collection Instructions

Collect specimen in a blue top (citrate 3.2%) tube. Mix by inversion. Specimen should arrive at lab within 3 hours of collection; transport at room temperature. Alternatively, centrifuge, aliquot plasma into a plastic vial, and freeze the specimen within 4 hours of collection. Transport frozen specimen on dry ice. Collection of the blood through lines that have been previously flushed with heparin should be avoided. If the blood must be drawn through a VAD (vascular access device), the line should be flushed with 5 mL of saline and the first 5 mL of blood or six dead space volumes of the VAD discarded.

Normal Volume
Full 2.7mL tube or 1mL plasma aliquot
Minimum Volume
Full 1.8mL tube or 1mL plasma aliquot
Storage Temperature
Room temperature for whole blood or frozen aliquot of citrated plasma
Rejection Criteria
Specimens will be rejected if not properly filled, clotted, grossly hemolyzed, or contaminated with heparin.
Billing
CPT Code
85635
Fee Code
31133