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Anti-Thrombin III Activity

Centralized Core Laboratory - : Hematology

Test ID :
Test Workstation :
Specimen Type:
Tube Type:
Blue top (sodium citrate) tube
Collection Volume:
2.7 mL (minimum 1.8 mL) Must use appropriate sodium citrate tube based on volume of blood drawn (1.8 mL or 2.7 mL tube)
Cause for Rejection:
Specimens which have visible hemolysis, are clotted, collected in the wrong tube, diluted with IV fluids, contamination with heparin, tubes that are over or under filled, or specimens received more than 4 hours post collection.
Ambient-Whole Blood
Daily, 0700-1500
Chromogenic Assay, BCSXP
Special Instructions:
Indicate clearly if a specimen has been drawn from an arterial line or from a line that has been rinsed with hep0arin. If collected at an offsite location, send Whole Blood by STAT courier to Akron Childrens Lab. Must be received within 4 hours
4 hours
Additional Info:
  • Reference range:
  • 1 day - 3 month: 39-87%
  • >= 4 month: 88-135%
  • CPT Code:
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