565Other Diseases of Intestine and Peritoneum: Anal fissure, anal fistula
Diseases of the Digestive System
What this reference tells you
565 is an Ontario diagnostic code describing “Other Diseases of Intestine and Peritoneum: Anal fissure, anal fistula.” It supports the diagnosis field of a claim and is distinct from the fee code identifying the service.
Before using this code
Confirm the current Ministry publication, the patient and provider context, the date of service, and documentation supporting the claim. A searchable reference does not establish eligibility or guarantee payment.