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ICD-10-CM Current in FY 2027

A74.81

Chlamydial peritonitis

Release
FY 2027
Effective

Hierarchy

Where A74.81 sits in the official hierarchy. Each level is the code it is classified under.

  1. A74 Other diseases caused by chlamydiae
  2. A74.8 Parent Other chlamydial diseases
  3. A74.81 This code Chlamydial peritonitis

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.

Excludes1

neonatal chlamydial conjunctivitis ( P39.1 )

Inherited from A74 — Other diseases caused by chlamydiae

Excludes1

neonatal chlamydial pneumonia ( P23.1 )

Inherited from A74 — Other diseases caused by chlamydiae

Excludes1

Reiter's disease ( M02.3- )

Inherited from A74 — Other diseases caused by chlamydiae

Excludes1

sexually transmitted chlamydial diseases (A55-A56)

Inherited from A74 — Other diseases caused by chlamydiae

Excludes2

chlamydial pneumonia ( J16.0 )

Inherited from A74 — Other diseases caused by chlamydiae

Version History

How A74.81 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Chlamydial peritonitis

  2. FY 2026 Effective

    Unchanged

    Chlamydial peritonitis

Other codes under A74.8

Codes whose official notes reference A74.81

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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