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Medical classification, or medical coding, is the process of transforming descriptions of medical diagnoses and procedures into universal medical code numbers. The diagnoses and procedures are usually taken from a variety of sources within the medical record, such as the transcription of the doctor's notes, laboratory results, radiologic results, and other sources. Diagnosis codes are used to track diseases, whether they are everyday diseases such as diabetes mellitus and heart disease, to contagious diseases such as norovirus, the flu, and athlete's foot. These diagnosis and procedure codes are used by government health programs, private health insurance companies, workers' compensation carriers and others.

Medical classification systems are used for a variety of applications in medicine and medical informatics

• statistical analysis of diseases and therapeutic actions
• reimbursement, e.g. based on DRGs
• knowledge-based and decision support systems
• direct surveillance of epidemic or pandemic outbreaks

Contents 1 Types of classification 2 List of medical classification systems 2.1 Specialized for medicine 2.1.1 Part of WHO Family of International Classifications (WHO-FIC) [1] 2.1.1.1 Reference Classifications 2.1.1.2 Related Classifications 2.1.1.3 Derived Classifications 2.1.2 Other 2.2 Library classification that have medical components 3 See also 4 External links

Types of classification

• Diagnostic codes
• Procedural codes
• Pharmaceutical codes
• Topographical codes

List of medical classification systems

This is an incomplete list, which may never be able to satisfy certain standards for completeness.

Specialized for medicine

Part of WHO Family of International Classifications (WHO-FIC) [1]

Reference Classifications

• International Statistical Classification of Diseases and Related Health Problems (ICD, includes ICD9 and ICD9-CM, currently used in US)
• International Classification of Functioning, Disability and Health (ICF) [2]
• International Classification of Health Interventions (ICHI) -- under development [3]

Related Classifications

• International Classification of Primary Care (ICPC-2) [4]
• International Classification of External Causes of Injury (ICECI) [5]
• Anatomical Therapeutic Chemical Classification System (ATC/DDD)
• Technical aids for persons with disabilities: Classification and terminology (ISO9999) [6]

Derived Classifications

• International Classification of Diseases for Oncology, Third Edition (ICD-O-3)
• ICD-10 for Mental and Behavioural Disorders [7]
• Application of the International Classification of Diseases to Dentistry and Stomatology, 3rd Edition (ICD-DA) [8]
• Application of the International Classification of Diseases to Neurology (ICD-10-NA) [9]
• International Classification of Functioning, Disability and Health for Children and Youth (ICF-CY) [10]

Other

• Current Procedural Terminology (CPT-4)
• Diagnostic and Statistical Manual of Mental Disorders (DSM)
• Health Care Procedure Coding System (HCPCS)
• ICD-10 Procedure Coding System (ICD-10-PCS)
• International Classification of Headache Disorders 2nd Edition (ICHD-II)
• International Classification of Sleep Disorders (ICSD)
• Logical Observation Identifiers Names and Codes (LOINC)
• Medical Dictionary for Regulatory Activities (MedDRA)
• Medical Subject Headings (MeSH)
• Mendelian Inheritance in Man (OMIM)
• North American Nursing Diagnosis Association (NANDA)
• Read Codes
• Systematized Nomenclature of Medicine (SNOMED)
• TIME-ITEM, topics in medical education
• TNM Classification of Malignant Tumours
• Unified Medical Language System (UMLS)

Library classification that have medical components

• Dewey Decimal System and Universal Decimal Classification (section 610-620)
• National Library of Medicine classification

See also

• Biological database
• Medical dictionary
• Nosology

External links

• Comparison of classification
• WHO Family of International Classifications
• List of classifications in UMLS
• American Health Information Management Association
• Centers for Medicare and Medicaid Services
• University of Cincinnati Bachelor of Science in Health Information Management

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• This page was last modified on 15 August 2008, at 09:37.

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