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2. ICD-10 Codes
3. Chapter - A00-B99
4. Section - A50-A64
5. Category - A51
6. A51.1

A51.1 - Primary anal syphilis

• Applicable to Primary anal syphilis
• The 2025 edition of ICD10-CM A51.1 became effective on October 1, 2024.
• This is the American ICD10-CM version of A51.1 - other international versions of ICD10 A51.1 may differ.
• A51.1 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above A51.1 contain annotation back-references that may be applicable to A51.1:

• Chapter: A00-B99 - Certain infectious and parasitic diseases
• Section: A50-A64 - Infections with a predominantly sexual mode of transmission
• Category: A51 - Early syphilis

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.