Sign in →

Test Code CLST Closure Time, Plasma

Methodology

PFA-100 Analyzer

Performing Laboratory

St. Clair Hospital Laboratory

Specimen Requirements

Specimen must arrive and be tested within 4 hours of draw.

It is recommend to aviod sending specimens via pneumatic tubes systems.

 

Draw a full, light blue-top (3.2% sodium citrate) tube(s). Do not centrifuge. Forward promptly at ambient temperature only. If necessary call for a STAT pickup to assure timely testing.

Reference Values

Collagen-Epinephrine Cartridge:  84-175 seconds

Collagen-ADP Cartridge:  65-117 seconds

Day(s) Test Set Up

Monday through Sunday