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).

Yellow Top Tube
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