Test Code LAB0200808 Thrombin Time (TT), Plasma

Methodology

Photometric Clot Detection

CentraCare Laboratory Services

Specimen Type: Plasma

Container/Tube: Light blue-top (3.2% sodium citrate)

Specimen Volume: 5 mL

Collection Instructions:

1. Draw a full tube. This tube must be second tube drawn.

2. Centrifuge for 10 minutes at 3,000 rpm.

3. If there is a delay in testing of >4 hours, refrigerate plasma and send refrigerated in plastic vial within 24 hrs. Freezing is NOT recommended.

Ambient 4 hours/Refrigerated 24 hours

10.3-16.6 seconds

Critical value (automatic call-back): >150 seconds

Monday through Sunday

85670