Imperial Collage Healthcare

GAD (glutamic acid decarboxylase) antibodies


Test Background
GAD65 antibodies are found in patients with type 1 autoimmune diabetes. Antibodies to GAD65 are also found in ~60 % of patients with stiff person syndrome.


Clinical Indications
Type 1 autoimmune diabetes Stiff person syndrome


Reference Range

<5.0 AU/mL


Sample Required
RST (rust top), Gel SST (Yellow Top)


Sample Volume
5-10 mL (1 mL serum)


Turnaround Time
21 days


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