745Transposition of great vessels, tetralogy of Fallot, ventricular septal defect, atrial septal defect
Congenital Anomalies
What this reference tells you
745 is an Ontario diagnostic code describing “Transposition of great vessels, tetralogy of Fallot, ventricular septal defect, atrial septal defect.” 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.