Antithrombin, Antigen
0030015
 
Ordering Recommendation
Not recommended as an initial test to detect antithrombin (AT) deficiency. Use to determine subtype in AT-deficient individuals.
Mnemonic
AT3AG
Methodology
Microlatex Particle-Mediated Immunoassay
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.  
Specimen Preparation
Transfer 1 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)  
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.  
Unacceptable Conditions
Serum. Hemolyzed specimens.  
Remarks
 
Stability
Ambient: 8 hours; Refrigerated: 8 hours; Frozen: 1 month  
Reference Interval
82-136%
Interpretive Data
Note
CPT Code(s)
85301
Components
Component Test Code*Component Chart Name
0030015Antithrombin Antigen
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • Antithrombin Antigen (Immunologic), Plasma
  • Antithrombin III Antigen
  • Antithrombin III, Immunologic, Plasma
  • AT III Antigen
  • AT III Antigen/Immunologic
  • AT3 Antigen/Immunologic