Pathology Handbook

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Thrombin Clotting Time

Laboratory:Haematology
Test Code:TCT
Specimen Types:Plasma
Container Types:
Sodium Citrate
Adults Volume or Mass:2.7 mL
Collection & Request Instructions:Add exactly 2.7 mL of blood & mix by inversion.

Used to detect heparin presence/contamination.

Specimens cannot be analysed or re-analysed greater than 8 hours after collection.

Transport Instructions between Sites and/or Laboratories:Room Temperature
Additional Notes:

Reference Range: < 24.0 secs