ICD-10-CM category
P23 Congenital pneumonia
P23 is a category, not a billable code. Report one of the 9 complete codes below.
Codes in P23
- P23.0Congenital pneumonia due to viral agent
- P23.1Congenital pneumonia due to Chlamydia
- P23.2Congenital pneumonia due to staphylococcus
- P23.3Congenital pneumonia due to streptococcus, group B
- P23.4Congenital pneumonia due to Escherichia coli
- P23.5Congenital pneumonia due to Pseudomonas
- P23.6Congenital pneumonia due to other bacterial agents
- P23.8Congenital pneumonia due to other organisms
- P23.9Congenital pneumonia, unspecified
Outside the US? P23 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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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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