426Ischaemic and Other Forms of Heart Disease: Heart blocks, other conduction disorders
Diseases of the Circulatory System
What this reference tells you
426 is an Ontario diagnostic code describing “Ischaemic and Other Forms of Heart Disease: Heart blocks, other conduction disorders.” 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.