Radiology information system
A radiology information system (RIS) is a computerized database used by radiology departments to store, manipulate, and distribute patient radiological data and imagery. The system generally consists of patient tracking and scheduling, result reporting and image tracking capabilities. RIS complements HIS (Hospital Information Systems), and is critical to efficient workflow to radiology practices.
Basic Features 
Radiology information systems commonly support the following features:
- Patient Registration and scheduling
- Patient List Management
- Interface with modality via Worklist.
- Radiology Department workflow management
- Request and document scanning
- Result(s) Entry
- Reporting and printout
- Result(s) Delivery including faxing and e-mailing of clinical reports
- Patient Tracking
- Interactive Documents
- Technical Files Creation
- Modality and Material management.
Additional Features 
In addition a RIS often supports the following:
- Appointment booking
- PACS workflow
- Custom report creation
- HL7 interfaces with a PACS. HL7 also enables communication between HIS and RIS in addition to RIS and PACS.
- Rule engines
See also 
- electronic patient record
- Filmless image technology
- hospital information system
- picture archiving and communication system "PACS"
- Medical imaging
- Medical software
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