391Rheumatic Fever and Rheumatic Heart Disease: Rheumatic fever with endocarditis, myocarditis, or pericarditis
Diseases of the Circulatory System
What this reference tells you
391 is an Ontario diagnostic code describing “Rheumatic Fever and Rheumatic Heart Disease: Rheumatic fever with endocarditis, myocarditis, or pericarditis.” 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.