ProPath Test Menu


Antithrombin III Activity


TEST DIRECTORY
Test Name
Antithrombin III Activity
Alternate Names
antithrombin iii
antithrombin iii functional
at iii
at iii activity
at iii functional
Test Code
AT3
SPECIMEN REQUIREMENTS
Specimen Requirements
Minimum of 1.0 mL plasma
Supplies for Submission
Light Blue Top (1)
Specimen Collection
Follow specific instructions at CPL test directory website.
Submit a minimum of 1.0 mL platelet-poor plasma – send this in a separate tube if other tests are ordered; critical frozen requirement (CFZ).
Storage Requirements
Critical Frozen (CFZ)
GENERAL AND TECHNICAL INFORMATION
CPT Code
85300