319Intellectual Disability (e.g. Intellectual Disability Disorder, global developmental delay, unspecified)
Mental and Behavioural Disorders
What this reference tells you
319 is an Ontario diagnostic code describing “Intellectual Disability (e.g. Intellectual Disability Disorder, global developmental delay, unspecified).” 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.