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International Classification of Diseases

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

The International Classification of Diseases (ICD) is a globally used diagnostic tool for epidemiology, health management, and clinical purposes. It provides a standard approach to classify diseases and other health problems.

5 Must Know Facts For Your Next Test

  1. ICD codes are essential for tracking disease patterns and health statistics worldwide.
  2. The ICD is maintained by the World Health Organization (WHO).
  3. Each disease or health condition in the ICD has a unique alphanumeric code.
  4. ICD-10 is the current version in use, with ICD-11 scheduled for implementation soon.
  5. Accurate coding using the ICD system is crucial for proper diagnosis, treatment plans, and research in microbiology.

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