| Designation | Key |
|---|---|
| Endoskopische Untersuchungen | VI00 |
| Diagnostische Atemtests u.a. bei Lactose- und Fructoseunverträglichkeit | VI00 |
| Diagnostik und Therapie von Motilitätsstörungen | VI00 |
| weitere Endoskopische Untersuchungen | VI00 |
| Ernährungsambulanz für enterale und parenterale Ernährung | VX00 |
| Ernährungsberatung inkl. Beratung von Zöliakie (=Sprue) Patienten | VX00 |
| Sonographie | VX00 |
| Diagnosis and treatment of endocrine nutritional and metabolic diseases Diabeteszentrum | 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 infectious and parasitic diseases | VI19 |
| Diagnosis and treatment of congenital and acquired immune deficiency diseases (including HIV and AIDS) | VI23 |
| Special consultation hour - Internal medicine Lebersprechstunde, Crohn-Colitis | VI27 |
| Diagnosis and treatment of autoimmune diseases | VI30 |
| Endoscopy | VI35 |
| Chronic inflammatory intestinal diseases | VI43 |