Students can apply to take their final exam once they have completed their course, supervised practices and case studies.

The final Examination is with the Association and Register of Colon Hydrotherapists (ARCH). It is booked and paid for separately from the course.

Examination consists of a two hours written theory paper and an independently assessed colonic treatment. The exam is set to demonstrate the skills, knowledge and understanding that are set out by The National Occupational Sandards.

A "Diploma in Naturopathic Colon Hydrotherapy" is awarded by IPCH on successful completion of the examination.

The Diploma is validated by the Association and Register of Colon Hydrotherapists (ARCH) and is fully recognised by all major Colonic organisations.

It gives access to membership of the Complementary and Natural Health Care Council (CNHC), the most respected regulator of complementary therapies, and enables the student to advertise their services within the parameters set out by CNHC.