Ontario diagnosis code309

Adjustment reaction

Mental and Behavioural Disorders

What this reference tells you

309 is an Ontario diagnostic code describing “Adjustment reaction.” 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.

Before using this code

Take the code from reference to reviewed claim.