Hospital Management System use case diagram models six actor roles—Patient, Doctor, Nurse, Receptionist, and Admin—interacting with core clinical and administrative functions. Data flows from patient registration through appointment scheduling, medical records, prescription management, lab testing, medication administration, and billing workflows. This architecture demonstrates role-based access control and functional separation essential for HIPAA-compliant healthcare systems. Fork and customize this diagram on Diagrams.so to design your own hospital platform, then export as .drawio, SVG, or PNG for documentation and stakeholder review. The include and extend relationships highlight reusable use cases like notification and invoice generation across multiple workflows.