Laboratory Services

Islet Antigen 2 (IA-2) Antibody, Serum

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Updated Test Information:

Test Description
Islet Antigen 2 (IA-2) Antibody, Serum
Synonym(s)

Anti-IA2 Antibodies, ICA-512, Islet Cell Antibody

Test ID
IA2
General Information

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

Container Type

Red Top

Specimen Type

Serum

Specimen Requirements

1.5 mL

Alternate Specimen Type

SST

Specimen Collection / Processing Instructions

Centrifuge and aliquot into a plastic vial

Minimum Sample Volume

1 mL

Stability

Refrigerated (preferred) 28 days, 
Frozen 28 days,
Ambient 72 hours

Unacceptable Specimen Conditions

Gross hemolysis, Gross Lipemia, Gross icterus

Methodology

Radioimmunoassay (RIA)

Estimated TAT

3 to 9 days

Testing Schedule

Monday through Friday

Retention

28 days

CPT Code(s)

86341

Reference Range

< or =0.02 nmol/L


Reference values apply to all ages.

STAT Orderable (Y/N)

No

Performing Lab

Mayo

LOINC Code(s)

81155-4