Non-Billable / Non-Specific Code
ICD-10-CM A63 is the diagnosis code for Other predominantly sexually transmitted diseases, not elsewhere classified. This code falls under the section "Infections with a predominantly sexual mode of transmission" within Chapter 1 â 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.
The following conditions are not included in A63. If the patient has both, code each condition separately:
Understanding where A63 sits in the ICD-10-CM classification helps ensure proper coding:
No, A63 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
A63 is the ICD-10-CM diagnosis code for "Other predominantly sexually transmitted diseases, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
A63 is located in Section A50-A64 â "Infections with a predominantly sexual mode of transmission" within Chapter 1 of the ICD-10-CM Tabular List.
A63 has 2 sub-code(s) that provide more specific detail: A63.0, A63.8.
Use A63 when the patients documented diagnosis matches "Other predominantly sexually transmitted diseases, not elsewhere classified" 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 Other predominantly sexually transmitted diseases, not elsewhere classified is A63.
No, A63 is non-billable. Use a more specific sub-code for primary diagnosis billing.
A63 is in Chapter 1 of the ICD-10-CM Tabular List.
Yes, A63 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.