KBC Zagreb (University Hospital Centre Zagreb) is the largest and most important hospital in Croatia. The "Rebro" campus, particularly the "Zelena zgrada" (Green Building), is a part of this hospital and serves as a polyclinic. It is known for its specialized medical procedures, diagnostic methods, and therapeutic procedures, including highly differentiated ones. The "Zelena zgrada" is specifically mentioned as a polyclinic. 

The Zelena zgrada houses several specialized clinics and outpatient services, including:

• Pediatrics: General pediatrics, pediatric gastroenterology, pediatric hematology and oncology, pediatric neurology, pediatric reumatology, and adolescent medicine.

• Psychiatry and Psychological Medicine: Adult and adolescent psychiatry, psychological counseling.

• Endocrinology and Diabetes: Diagnosis and treatment of endocrine disorders and diabetes management.

• Laboratory Diagnostics: Comprehensive laboratory testing services.

• Ophthalmology: Eye care services, including diagnostics and treatment.

• Gastroenterology: Diagnosis and treatment of gastrointestinal disorders.

• Hematology: Diagnosis and treatment of blood disorders.

KBC Zagreb is recognized for its high standards of medical care and patient safety. The hospital is accredited according to ISO standards and participates in various national and international healthcare quality improvement programs.

Vision: To be a leading center for healthcare, education, and research in the region, providing exceptional medical services to all patients.

Mission: To deliver high-quality, patient-centered care through a combination of clinical expertise, innovative research, and comprehensive education.