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ICD-10-CM Section · A70-A74

Other diseases caused by chlamydiae

11 codes in this section

11
Total Codes
8
Billable
3
Header (Non-Billable)
3
Top-Level Codes

About Section A70-A74

Section A70-A74 (A70-A74) covers other diseases caused by chlamydiae. It sits within the Certain infectious and parasitic diseases chapter (A00-B99). This section contains 11 ICD-10-CM codes, 8 billable diagnoses you can submit on a claim, and 3 non-billable header codes used to organize the hierarchy.

Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.

Codes in A70-A74

Grouped by 3-character root code. Click any code for full detail.

A70 Chlamydia psittaci infections
0 subcodes
A71 Trachoma
3 subcodes
A71.0 Initial stage of trachoma Billable
A71.1 Active stage of trachoma Billable
A71.9 Trachoma, unspecified Billable
A74 Other diseases caused by chlamydiae
5 subcodes
A74.0 Chlamydial conjunctivitis Billable
A74.8 Other chlamydial diseases Header
A74.81 Chlamydial peritonitis Billable
A74.89 Other chlamydial diseases Billable
A74.9 Chlamydial infection, unspecified Billable

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on July 16, 2026.

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