Laboratory Medicine
Test Directory / TSH Receptor Antibody
TSH Receptor Antibody
Brown clotted serum, gel barrier
| Test | TSH Receptor Antibody |
|---|---|
| Common Abbreviations | TRAB |
| Profile | NA |
| Tube type | Brown clotted serum, gel barrier |
| Clinical Indication | Used in the diagnosis and monitoring of Graves disease as well as in the prediction of risk of thyrotoxicosis in the foetus or neonate |
| Specimen Type | Blood |
| Sample type | Serum |
| Minimum Volume | 2mL |
| Special Precautions | No special requirements |
| Stability | 7 hours at 20 25°C, 6 days at 2-8°C, 12 months at 20°C (± 5°C). |
| Turnaround Time | 5 days |
| Laboratory | York |
| Reference Interval | >1.8IU/L is positive |
| Limitations | Do not use samples from patients on sodium heparin treatment. Fractionated heparin (Clexane) showed no interference up to a concentration of 50 IU/L. Samples should not be taken from patients receiving therapy with high biotin doses (i.e. >5 mg/day) until at least 8 hours following the last biotin administration. |
| Notes |
