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Clinical Vocabularies. James J. Cimino, M.D. Columbia University. March, 1997: The Needs for Coding and Classification Systems. Multiple needs for controlled vocabulary Capturing clinical data for multiple purposes (In)adequacy of current systems Some desired characteristics
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Clinical Vocabularies James J. Cimino, M.D. Columbia University
March, 1997: The Needs for Coding and Classification Systems • Multiple needs for controlled vocabulary • Capturing clinical data for multiple purposes • (In)adequacy of current systems • Some desired characteristics • A model for the future
Capturing Clinical Data for Multiple Purposes: Now Recode Patient Data Collect Patient Data Collect Patient Data Financial Database Clinical Repository Research Database
Capturing Clinical Data for Multiple Purposes: Future Recode Patient Data Collect Patient Data Collect Patient Data Financial Database Clinical Repository Research Database
Concept Orientation • One meaning meaning per code • Clear semantics • Meaning never changes • Concept permanence
Structural Aspects: Don’ts • Don’t limit breadth or depth of hierarchy • Don’t limit to a strict hierarchy • Don’t put meaning in the codes
Content: Do’s • Do strive for content that matches the needs of the primary creators of the data • Do develop a feedback mechanism to include creators and users in content development • Do develop a timely, concept-oriented update process
Lessons to Learn • ICD - Not! • SNOMED • LOINC