[Physician's duty to secrecy in social legislation].

It is reported on the physicians duty of secrecy in social legislation for the protection of individuals claiming or receiving social security, on the penalty regulations of unauthorized revelation of the medical secret, on the authorized revelation of the secret, on the duty of secrecy by the medical expert, on the right of the physician to refuse insurance institutions (AOK,LVA,BfA,BG etc.), and on official help among the social insurance institutions.