K65.9
Peritonitis, unspecified
- Release
- FY 2027
- Effective
Hierarchy
Where K65.9 sits in the official hierarchy. Each level is the code it is classified under.
- K65 Parent Peritonitis
- K65.9 This code Peritonitis, unspecified
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Inclusion Terms
Bacterial peritonitis NOS
Excludes1
acute appendicitis with generalized peritonitis ( K35.2- )
Inherited from K65 — Peritonitis
Excludes1
peritonitis due to talc or other foreign substance ( T81.6 )
Inherited from K65 — Peritonitis
Use Additional Code
code (B95-B97), to identify infectious agent, if known
Inherited from K65 — Peritonitis
Version History
How K65.9 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentPeritonitis, unspecified
-
FY 2026 Effective
UnchangedPeritonitis, unspecified
Related Codes
Other codes under K65
Codes whose official notes reference K65.9
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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