Ontario diagnosis code358

Peripheral Nervous System: Myoneural disorders (e.g., myasthenia gravis)

Diseases of the Nervous System and Sense Organs

What this reference tells you

358 is an Ontario diagnostic code describing “Peripheral Nervous System: Myoneural disorders (e.g., myasthenia gravis).” 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.