| Designation | Key |
|---|---|
| Diagnosis and treatment of endocrine nutritional and metabolic diseases | VI10 |
| Diagnosis and treatment of diseases of the gastrointestinal tract (gastroenterology) | VI11 |
| Diagnosis and treatment of diseases of the anus | VI12 |
| Diagnosis and treatment of peritoneal diseases | VI13 |
| Diagnosis and treatment of diseases of the liver, bile and pancreas | VI14 |
| Diagnosis and treatment of diseases of the respiratory tract and lungs Bronchoskopie | VI15 |
| Diagnosis and treatment of oncological diseases | VI18 |
| Diagnosis and treatment of infectious and parasitic diseases | VI19 |
| Diagnosis and treatment of allergies | VI22 |
| Diagnosis and treatment of congenital and acquired immune deficiency diseases (including HIV and AIDS) | VI23 |
| Special consultation hour - Internal medicine Chronisch-entzündliche Darmerkrankungen; virusassozierte, autoimmune, alkoholische und stoffwechselbedingte Lebererkrankungen. | VI27 |
| Diagnosis and treatment of autoimmune diseases | VI30 |
| Diagnosis and treatment of coagulation disorders | VI33 |
| Endoscopy | VI35 |
| Chronic inflammatory intestinal diseases | VI43 |