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GAD65 autoantibodies: biomarker evidence

GAD65 autoantibodies appears in 1 entry of the OSMF biomarker atlas, covering Type 1 Diabetes. Across those entries it is elevated in 1. It is currently reported in a single condition in this atlas; cross-condition comparison will be added as the dataset grows. Each row below links to a page with the comparison group, associated symptoms, test details and primary citation.

Type 1 Diabetes

Where GAD65 autoantibodies is reported

ConditionDirectionCompared againstAssociated symptomsSource
Type 1 Diabetes↑ elevatedT1D patients vs healthy (antibody-negative) individuals—Luo et al. 2004

Frequently asked questions

In which conditions is GAD65 autoantibodies altered?

In the OSMF atlas GAD65 autoantibodies is reported in Type 1 Diabetes. It is elevated in 1 across 1 entries.

Is there a standard clinical test for GAD65 autoantibodies?

The atlas entries for GAD65 autoantibodies do not carry a LOINC code, which usually means the marker was measured with research assays or study-specific methods rather than a routine clinical panel.

Is one abnormal GAD65 autoantibodies result diagnostic?

No single biomarker result is diagnostic of any of these conditions. Findings reflect group averages from published cohorts with substantial overlap between patients and controls.

Cite this page

Open Source Medicine Foundation. (2026). GAD65 autoantibodies across conditions: biomarker evidence. OSMF Research Tracker. Retrieved October 7, 2026, from https://research.opensourcemed.info/biomarkers/markers/gad65-autoantibodies.html
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Last reviewed: 2026-07-03 · Browse: Biomarker Index · All marker pages · Biomarker Atlas

Disclaimer: Educational synthesis of peer-reviewed research; not medical advice. Findings are group-level and vary with study design. Discuss any result with a qualified clinician.