A74.9
Chlamydial infection, unspecified
- Release
- FY 2027
- Effective
Hierarchy
Where A74.9 sits in the official hierarchy. Each level is the code it is classified under.
- A74 Parent Other diseases caused by chlamydiae
- A74.9 This code Chlamydial infection, 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
Chlamydiosis NOS
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
sexually transmitted chlamydial diseases (A55-A56)
Inherited from A74 — Other diseases caused by chlamydiae
Version History
How A74.9 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentChlamydial infection, unspecified
-
FY 2026 Effective
UnchangedChlamydial infection, unspecified
Related Codes
Other codes under A74
Codes whose official notes reference A74.9
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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