S.C. Code Ann. § 40-47-50 – "Osteopathy" defined; examination and certificate to practice; use of letters D.O

(A) "Osteopathy" is defined as a complete school of medicine and surgery utilizing all methods of diagnosis and treatment in health and disease and placing special emphasis on the interrelationship of the musculo-skeletal system to all other body systems.
(B) A person is eligible for examination before the board before or after completing a board-approved one-year internship if the person:
1. (1) holds a diploma from an osteopathic college approved by the American Osteopathic Association;
2. (2) gives evidence of completing at least three years' preprofessional education in an accredited college or university; and
3. (3) has attended an osteopathic college for four full courses of lectures of at least thirty-six weeks each or any combination of these courses aggregating one hundred and forty-four weeks.
  A person who successfully passes the examination is eligible for a temporary certificate to practice osteopathy which is good for one year. At the end of one year, if the person has completed a one-year internship, the person is eligible for a certificate to practice osteopathy.
(C) Doctors of osteopathy shall use only the letters D.O. after their names when used in connection with their profession.