099Sexually Transmitted Infections: Other (e.g., herpes genitalis, chlamydia, chancroid)
Infections and Parasitic Diseases
What this reference tells you
099 is an Ontario diagnostic code describing “Sexually Transmitted Infections: Other (e.g., herpes genitalis, chlamydia, chancroid).” 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.