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2. ICD-10 Codes
3. Chapter - A00-B99
4. Section - A50-A64
5. Category - A56
6. A56.4

A56.4 - Chlamydial infection of pharynx

• Applicable to Chlamydial infection of pharynx
• The 2025 edition of ICD10-CM A56.4 became effective on October 1, 2024.
• This is the American ICD10-CM version of A56.4 - other international versions of ICD10 A56.4 may differ.
• A56.4 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above A56.4 contain annotation back-references that may be applicable to A56.4:

• Chapter: A00-B99 - Certain infectious and parasitic diseases
• Section: A50-A64 - Infections with a predominantly sexual mode of transmission
• Category: A56 - Other sexually transmitted chlamydial diseases

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.