Test guide

Diabetes Tests

Diabetes , also known as diabetes mellitus, is a disease that affects how your body uses glucose ( blood sugar ). Glucose is your body's main source of energy. A hormone (a chemical messenger in your bloodstream that controls the actions of certain cells or organs) called insulin helps move glucose from your bloodstream into your cells.

For everyone & professionalsReviewed 2026-10-18

What it is for

Diabetes tests are used to screen, monitor, and/or diagnose the following: Source: MedlinePlus, National Library of Medicine. Medical test information is public domain. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.

Limitations

Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.

Reviewed products

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