A74.81 ICD-10-CM Code: Chlamydial peritonitis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
A74.81Chlamydial peritonitis
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where A74.81 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Other diseases caused by chlamydiae (A70-A74)
- 3
Category A74
Other diseases caused by chlamydiae
- 4
Subcategory A74.8
Other chlamydial diseases
- 5
Code A74.81
Chlamydial peritonitis
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for A74.81.
Code first
No “code first” instruction is listed for A74.81.
Use additional code
No “use additional code” instruction is listed for A74.81.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for A74.81.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for A74.81.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code A74.81 mean?
A74.81 is the FY 2027 U.S. ICD-10-CM code for “Chlamydial peritonitis.”
Is A74.81 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, A74.81 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is A74.81 located in ICD-10-CM?
A74.81 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Other diseases caused by chlamydiae (A70-A74) (A70–A74), under category A74, Other diseases caused by chlamydiae and subcategory A74.8, Other chlamydial diseases.
What coding notes are listed for A74.81?
No inclusion terms are listed for A74.81 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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