ICD-10-CM A74.0 is the diagnosis code for Chlamydial conjunctivitis. This code falls under the section "Other diseases caused by chlamydiae" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where A74.0 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, A74.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
A74.0 is the ICD-10-CM diagnosis code for "Chlamydial conjunctivitis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of A74.0 is A74 ("Other diseases caused by chlamydiae"). A74.0 provides a more specific classification within this category.
A74.0 is located in Section A70-A74 — "Other diseases caused by chlamydiae" within Chapter 1 of the ICD-10-CM Tabular List.
Use A74.0 when the patients documented diagnosis matches "Chlamydial conjunctivitis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Chlamydial conjunctivitis is A74.0.
Yes, A74.0 can be used as a primary diagnosis code since it is billable and specific.
A74.0 is in Chapter 1 of the ICD-10-CM Tabular List.
Yes, A74.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.