Sign in →

Test Code IA2 Islet Antigen 2 (IA-2) Antibody, Serum

Reporting Name

IA-2 Ab, S

Useful For

Clinical distinction of type 1 from type 2 diabetes mellitus

 

Identification of individuals at risk of type 1 diabetes (including high-risk relatives of patients with diabetes)

 

Prediction of future need for insulin treatment in adult-onset diabetic patients

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 1.5 mL


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  72 hours

Reference Values

≤0.02 nmol/L

Reference values apply to all ages.

Day(s) and Time(s) Performed

Tuesday, Friday; 10 p.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

86341

LOINC Code Information

Test ID Test Order Name Order LOINC Value
IA2 IA-2 Ab, S 81155-4

 

Result ID Test Result Name Result LOINC Value
89588 IA-2 Ab, S 81155-4

Method Name

Radioimmunoassay (RIA)