ICD-10-CM A52 is the diagnosis code for Late syphilis. This code falls under the section "Infections with a predominantly sexual mode of transmission" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where A52 sits in the ICD-10-CM classification helps ensure proper coding:
No, A52 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
A52 is the ICD-10-CM diagnosis code for "Late syphilis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
A52 is located in Section A50-A64 — "Infections with a predominantly sexual mode of transmission" within Chapter 1 of the ICD-10-CM Tabular List.
A52 has 7 sub-code(s) that provide more specific detail: A52.0, A52.1, A52.2, A52.3, A52.7 and more.
Use A52 when the patients documented diagnosis matches "Late syphilis" 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 Late syphilis is A52.
No, A52 is non-billable. Use a more specific sub-code for primary diagnosis billing.
A52 is in Chapter 1 of the ICD-10-CM Tabular List.
Yes, A52 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.