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

Update for visitors

Visiting restrictions are in place at our hospitals to stop the spread of norovirus. These restrictions will be in place until further notice.

The following wards are closed to visitors:

All wards at York Hospital

Coronary Care at Scarborough Hospital

There are four exceptions only to the restrictions. These are:

For patients who are receiving end of life care

Paediatric patients (babies and children)

Maternity care

The family carers of those with dementia

We understand these restrictions can be difficult when a loved one is unwell. The restrictions will be reviewed daily and lifted as soon as it is safe. Thank you for your understanding as we try to reduce the spread of norovirus in our hospitals.