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Test Code SOFT: THROM Thrombin Time, Plasma

Additional Codes

Ordering Mnemonic

EPIC NAME: THROMBIN TIME

EPOC CODE: LAB324

 

Performing Laboratory

Saint Francis Medical Center-Coagulation

Specimen Requirements

Specimen Type: Platelet-poor plasma

Collection Container/Tube: Light-blue top (3.2% sodium citrate) tube; must be filled to line

Submission Container/Tube: Plastic vial

Specimen Volume: 2 mL

Specimen Minimum Volume: 1 mL

Stability: 3 Hours (A); 14 Days (F), if separated and immediately frozen at -20'C

Collection Instructions: Label specimen as plasma

Specimen Transport Temperature

Whole Blood: Ambient

Plasma: Ambient <3 hours/Frozen >3 hours

Refrigeration not acceptable

Reference Values

See laboratory report.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

85670

Methodology

Clot-Based Assay

Measure time of fibrinogen to fibrin conversion after adding bovine thrombin.