IA-2 Antibody

Test Code

IA-2 AB

Quest Code

37933

Alias/See Also

Islet Cell Antigen 512 Antibodies
Tyrosine Phosphatase
Insulinoma-associated Protein 2
ICA 512 Antibody

CPT Codes
86341

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly lipemic

Methodology
Enzyme Linked Immunosorbent Assay (ELISA)

Setup Schedule

Report available: 3-5 days

Report Available

Reports in 3 to 5 days.

Reference Range

<5.4 U/mL

Clinical Significance

Type 1 Diabetes Mellitus is characterized by lymphocytic cell infiltration of the beta-cells of pancreatic islets. Measurement of IA-2, GAD-65, ICA-512, and Insulin Antibody is a highly sensitive means to assess risk and predict onset of Type I diabetes.

Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.