In a patient who develops coeliac symptoms, is it possible to have a normal ttg blood test before their symptoms develop? ie does a previous normal ttg preclude the need to repeat if a patient develops new symptoms?
We found no studies or guidelines to answer the first part of this question. However, the following general information may be of some relevance. (Source: NLH Question Answering Service)
http://www.clinicalanswers.nhs.uk/index.cfm?question=8339
