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Performing Laboratory

Quest Diagnostics

Useful For

Assisting in the diagnosis of type 1 diabetes mellitus. Patient population is primarily children and adolescents.

Method Name

Enzyme Linked Immunosorbent Assay (ELISA)

Reference Values

An interpretive report will be issued

Days and Times Test Performed

Wednesday and Saturday

Report Available

3-5 Days

Specimen Type


Preferred Container

Serum Separator Tube (SST)

Preferred Volume

Serum: 1 mL (Serum Separator Tube (SST))

Minimum Volume

Serum: 0.5 mL (Serum Separator Tube (SST))

Specimen Collection and Handling

Spin specimen, separate from clot and send refrigerated in a screw-capped, plastic vial.

Specify age and sex on test request form.

Rejection Information

Gross hemolysis • Lipemia • Icterus • Specimens other than serum

Specimen Stability Information

Specimen Type: Serum

Frozen: 28 Days

Refrigerated: 7 Days

Room Temp: 7 Days

Add On Capable


Advance Beneficiary Notice Requirements

This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer

86341 Islet cell AB

LOINC Code Information