233Carcinoma in Situ: Breast and genito-urinary system
Neoplasms
What this reference tells you
233 is an Ontario diagnostic code describing “Carcinoma in Situ: Breast and genito-urinary system.” 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.