Test Catalog

Test ID: DBS1    
Diabetes Mellitus Type 1 Evaluation, Serum

Useful For Suggests clinical disorders or settings where the test may be helpful

Distinguishing type 1 from type 2 diabetes mellitus


Identifying individuals at risk of type 1 diabetes (including high-risk relatives of patients with diabetes)


Predicting future insulin requirement treatment in patients with adult-onset diabetes


This evaluation consisting of tests for 4 antibodies targeting islet cell antigens (GAD65, IA-2, ZnT8, and insulin) gives optimum sensitivity and specificity for the diagnosis of type 1 diabetes mellitus.

Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.

Test IDReporting NameAvailable SeparatelyAlways Performed
DMEIDiabetes Interpretation, SNoYes
GD65SGAD65 Ab Assay, SYesYes
INABInsulin Abs, SYesYes
IA2IA-2 Ab, SYesYes
EZNT8ZnT8 Ab, SYesYes

Method Name A short description of the method used to perform the test

GD65S,INAB, IA2: Radioimmunoassay (RIA)

EZNT8: Enzyme-Linked Immunosorbent Assay (ELISA)DMEI: Interpretive Comments

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Diabetes Mellitus Type 1 Evaluation

Aliases Lists additional common names for a test, as an aid in searching

Islet cell autoantibodies