A diagnosis is made by observing symptoms and by evaluating the history of their onset. No blood analysis, x-ray or other type of medical test exists to identify TS. However, a doctor may wish to order an EEG [Electroencephalogram], CAT [Computerized Axial Tomography] scan or certain blood tests to rule out other ailments that could rarely be confused with TS.
The following checklists can be utilized in the diagnosis process. Recording of symptoms over a period of time is required as part of the diagnosis process.