Laboratory Medicine
Test Directory / Anti-GAD
Anti-GAD
Brown clotted serum, gel barrier
| Test | Anti-GAD |
|---|---|
| Common Abbreviations | GAD |
| Profile | N/A |
| Clinical Indication | Antibodies to glutamic acid decarboxylase (anti-GAD) are reliable serological markers of Insulin-dependent diabetes mellitus. Anti-GAD antibodies in high titre are associated with the stiff-person syndrome (60% sensitivity), a rare neurological disease characterised by muscle rigidity and spasms. |
| Specimen Type | Blood |
| Sample Type | Serum |
| Minimum Volume | 1 mL |
| Special Precautions | No special requirements |
| Stability | Contact Referral Laboratory |
| Turnaround Time | 3 weeks |
| Laboratory | Immunology Laboratory, Oxford University Hospitals NHSFT |
| Reference Interval | Contact Referral Laboratory |
| Limitations | Contact Referral Laboratory |






