0030015
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Antithrombin, Antigen

AT3AG
Example Reports
Low
Normal

Ordering Recommendation

Not recommended as an initial test to detect antithrombin (AT) deficiency. Use to determine subtype in AT-deficient individuals.

New York DOH Approval Status

This test is New York state 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. EDTA plasma, clotted or hemolyzed specimens.

Remarks
Stability

Ambient: 8 hours; Refrigerated: Unacceptable; Frozen: 1 month

Methodology

Microlatex Particle-Mediated Immunoassay

Performed

Sun-Sat

Reported

1-2 days

Reference Interval

82-136%

Interpretive Data



Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

85301

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Components

Component Test Code* Component Chart Name LOINC
0030015 Antithrombin Antigen 27812-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Antithrombin III Antigen
  • Antithrombin III, Immunologic, Plasma
  • AT III Antigen
  • AT III Antigen/Immunologic
  • AT3 Antigen/Immunologic
Antithrombin, Antigen