For purposes of CHAMPUS, congenital anomalies do not embrace anomalies relating to teeth or constructions supporting the teeth, or to any form of hermaphroditism or sex gender confusion. Examples of congenital anomalies are harelip, birthmarks, webbed fingers or toes, or such different conditions that the Director, OCHAMPUS, or a designee, may determine to be congenital anomalies. A practitioner of chiropractic ; basically a system of therapeutics based upon the declare that illness is caused by irregular operate of the nerve system.