Medical classification Systems

Coding systems that can transfer descriptions of medical diagnosis and procedures into a code that is universally used in the medical field.

Diagnosis codes are used to track diseases and other health conditions, whether they are chronic diseases such as diabetes and heart disease, to contagious diseases such as 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 can be used in a number of different ways in medicine.They can be used for statistical analysis of diseases and therapeutic actions. It can also be used as direct surveillance of epidemic and pandemic outbreaks. Medical Classification Systems can also be used as knowledge based and decision support systems.

There are many different medical classifications, but they fall into two main groupings: Statistical classifications and Nomenclatures.
A statistical classification brings together similar clinical concepts and groups them into categories. In a nomenclature there is a separate listing and code for every clinical concept.

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Types of Medical Classification Systems

Diagnostic Coding Systems
- Are used to determine diseases,disorders, and Symptoms
-Can be used to measure morbidity and mortality
Examples: ICD-9-CM, ICD-10

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Procedure Coding Systems
-They are numbers or alphanumeric codes used to identify specific health interventions taken by medical professionals.
Examples: ICPM, ICHI

Pharmaceutical Coding Systems
-Are used to identify medications
Examples: AT, NDC

Topographical coding Systems
-Are codes that indicate a specific location in the body
Examples :ICD-O, SNOMED

Related Terminology
Decision Support System