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Test Code MISCLM Islet Antigen 2 (IA-2) Antibody, Serum

Additional Codes

 

MAYO Test ID

IA2

EPIC Test ID

LAB2608

 

Reporting Name

IA-2 Ab, S

Useful For

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

Method Name

Radioimmunoassay (RIA)

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 1 mL


Specimen Minimum Volume

0.75 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  72 hours

Reject Due To

Hemolysis

Mild OK; Gross reject

Lipemia

Mild OK; Gross reject

Icterus

Mild OK; Gross reject

Other

NA

Reference Values

≤0.02 nmol/L

Reference values apply to all ages.

Day(s) and Time(s) Performed

Tuesday, Friday; 10 p.m.

CPT Code Information

86341

LOINC Code Information

Test ID Test Order Name Order LOINC Value
IA2 IA-2 Ab, S 81155-4

 

Result ID Test Result Name Result LOINC Value
89588 IA-2 Ab, S 81155-4

Analytic Time

3 days/negative, 5 days/positive

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.