Islet Antigen 2 (IA-2) Antibody

Test Overview

Test Methodology

Enzyme-linked Immunosorbent Assay (ELISA)

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 *

< 7.5 U/mL (Negative)

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Set Up

Varies

Analytic Time

4 days if negative; 9 days if positive

Soft Order Code

FIAAB

MiChart Code

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

Synonyms

Laboratory

Sendout

Reference Laboratory

Mayo FIAAB (Esoterix 141531)

Section

Special Testing

Specimen Requirements

Collection Instructions

Collect specimen in an SST (preferred) or red top tube. Centrifuge, aliquot serum into a plastic vial, and freeze within 1 hour of collection.

Normal Volume

1 mL serum

Minimum Volume

0.5 mL serum

Additional Information

Test sent to Mayo Medical Laboratories.

Billing

CPT Code

86341

Fee Code

AA308

LOINC

31209-0

NY State Approved

No