ICD-10-CM diagnosis code
P36.9 Bacterial sepsis of newborn, unspecified
- Billable
- Yes, a complete code (FY2026)
- Category
- P36 Bacterial sepsis of newborn
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Other codes in P36
10 complete codes in this category.
- P36.0Sepsis of newborn due to streptococcus, group B
- P36.10Sepsis of newborn due to unspecified streptococci
- P36.19Sepsis of newborn due to other streptococci
- P36.2Sepsis of newborn due to Staphylococcus aureus
- P36.30Sepsis of newborn due to unspecified staphylococci
- P36.39Sepsis of newborn due to other staphylococci
- P36.4Sepsis of newborn due to Escherichia coli
- P36.5Sepsis of newborn due to anaerobes
- P36.8Other bacterial sepsis of newborn
- P36.9Bacterial sepsis of newborn, unspecified
Documentation tips
- Make sure the note supports every element of the title, “Bacterial sepsis of newborn, unspecified”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to P36.
The international WHO ICD-10 also has P36.9, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
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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