Is A74.81 a billable ICD-10 code?

Yes. A74.81 (Chlamydial peritonitis) is billable and can be used for insurance claims. Always verify payer-specific requirements.

A74.81 ✓ Billable

Chlamydial peritonitis

Q: What is ICD-10 code A74.81?

ICD-10-CM code A74.81 stands for "Chlamydial peritonitis". It is a billable code in the Certain Infectious and Parasitic Diseases chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases

Code

A74.81

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Certain Infectious and Parasitic Diseases

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code A74.81?

ICD-10-CM code A74.81 represents Chlamydial peritonitis. It is a billable diagnosis code in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.

Is A74.81 billable?

Yes. A74.81 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is A74.81 in?

A74.81 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.

Related codes in the A74 category

A74 Other diseases caused by chlamydiae Non-billable A74.0 Chlamydial conjunctivitis Billable A74.8 Other chlamydial diseases Non-billable A74.9 Chlamydial infection, unspecified Billable A74.89 Other chlamydial diseases Billable

Search all 98,186 ICD-10-CM codes instantly

Search ICDwise →