Laboratory Medicine
Test Directory / Coeliac Screening ( Anti-Tissue Transglutaminase)
Coeliac Screening ( Anti-Tissue Transglutaminase)
Brown clotted serum, gel barrier
| Test | Coeliac Screening ( Anti-Tissue Transglutaminase) |
|---|---|
| Common Abbreviations | TTG (IgA) |
| Profile | IgA Endomysial antibody to confirm positive anti-tTG and IgG endomysial antibody if IgA deficiency suspected. |
| Clinical Indication | First choice of screening test for Coeliac disease. Please see www.nice.org.uk/guidance/NG20 for further recommendations. |
| Specimen Type | Blood |
| Sample Type | Serum |
| Minimum Volume | 5 ml |
| Special Precautions | No special requirements |
| Stability | 14 days |
| Turnaround Time | 7 Days |
| Laboratory | Hull Royal Infirmary, Anlaby Road, Hull HU3 2JZ |
| Reference Interval | < 20.00 CU is negative |
| Limitations | The assay should not be performed on grossly haemolysed or grossly lipaemic samples. Only serum samples will be accepted |
