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Thrombin Clotting Time

Alternate names:
TCT
Laboratory:
Coagulation
Test Code:
TT
Specimen types:
Plasma
Container types:
Sodium CitrateSodium Citrate
Collection Instructions:
Transport specimen at Room Temperature to lab

Fill tube to label marker and mix by inversion.

Notes:

Used to detect heparin presence/contamination or abnormal fibrinogenFill tube to label marker and mix by inversion.

Frequency:
Daily
Result Turnaround Time:
2 hours
Reference Interval:

18 - 24 seconds

Laboratory Use Only
Storage Instructions:

Specimens for TCT assays kept at room temperature, should be centrifuged and tested within 4 hours of time of collection.

If testing is not complete within 4 hours, plasma should be removed from the cells (2 X 1 mL Eppendorf tubes) and frozen at -20 C for up to 2 weeks or -70 C for up to 6 months.

A frost-free freezer should not be used.