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The Wilmer Information System. A classification and retrieval system for information on diagnosis and therapy in
K M Miller1, H J Wisnicki, J P Buchman
1Wilmer Ophthalmological Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205.
Abstract:
The Wilmer Information System is a computerized medical information system used for the storage and retrieval of data pertaining to patient demographics, diagnosis, and therapy. The heart of the system is an expandable, hierarchical code based on International Classification of Diseases, 9th Revision (ICD-9) diagnosis codes and Physicians' Current Procedural Terminology procedure codes. Customized coding sheets containing highly specific diagnosis and procedure codes have been designed for each subspecialty area in ophthalmology. Interactive database management software facilitates data entry and retrieval. The system can be used to search for patients who meet very specific criteria, or to produce cumulative visit reports and summary statistics.