Laboratory Medicine
Test Directory / Acetyl-choline receptor Antibody Also knows as: Myasthenia antibody; Motor end plate antibody; MG antibody
Acetyl-choline receptor Antibody Also knows as: Myasthenia antibody; Motor end plate antibody; MG antibody
Brown clotted serum, gel barrier
| Test | Acetyl-choline receptor Antibody Also knows as: Myasthenia antibody; Motor end plate antibody; MG antibody |
|---|---|
| Common Abbreviations | ACHR |
| Profile | N/A |
| Clinical Indication | Acetylcholine receptor antibodies are a highly sensitive and specific marker for generalised myasthenia gravis (80-90% sensitivity); up to 90% of generalised MG cases are ACHR positive for ACHR antibodies whilst in pure ocular MG up to 50% of patients are positive. |
| 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 |
