Islet Antigen 2 (IA-2) Antibody

Test Overview

Test Methodology

Radioimmunoassay (RIA)

Test Usage

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.

Reference Range *

< or = 0.02 nmol/L

Test Details

Days Set Up

Tuesday, Friday

Analytic Time

4 days if negative; 9 days if positive

Soft Order Code

MIA2

MiChart Code

Islet Antigen 2 (IA-2) Antibody (Sendout)

Synonyms

Islet Cell Antibody
ICA-512
Anti-IA2 Antibodies

Laboratory

Sendout

Reference Laboratory

Mayo IA2

Section

Special Testing

Specimen Requirements

Collection Instructions

Collect specimen in SST or red top tube. Centrifuge and aliquot ALL serum into a screw capped, leakproof plastic tube. Refrigerate (frozen also acceptable).

Normal Volume

2.0 mL serum

Minimum Volume

1 mL serum

Additional Information

Test sent to Mayo Medical Laboratories.

Billing

CPT Code

86341

Fee Code

AA308

NY State Approved

No