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ICD-10-CM · Chapter 1 · A00-B99

Certain infectious and parasitic diseases

167 categories

Category titles are WHO ICD-10 titles for the same three characters; open a category for the ICD-10-CM codes in it.

ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.

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