TCT
Alternate Names
Total Clotting Time
SoftLab Order Code
TCT
Epic Order Name
TCT
Epic Order ID
LAB324
Laboratory
Raleigh
Sample Type
Plasma
Collection Container
Blue Top (Sodium Citrate - Light blue)

Collecting Volume
One full tube
Minimum Collecting Volume
One full light blue top tube. (Special low volume collection tubes are available for Neonatal patients if blood volume collection is limited by clinical condition. Contact the laboratory to request a collection tube.)
Storage or Stability
Ambient - 24 hours. Frozen - Plasma is stable for 3 months. Stability may vary if additional studies are ordered on the same sample. The test with the shortest stability should be considered when evaluating storage/stability for testing.
Causes for Rejection
Clotted, wrong tube type, grossly hemolyzed, <90% of the expected fill volume
Instructions
Freeze plasma if testing cannot be completed within ambient stability period.
Availability
24 hours/7 days
CPT Codes
85670