Ontario code lookup
Ontario diagnosis code381

Ear and Mastoid: Serous otitis media, eustachian tube disorders

Diseases of the Nervous System and Sense Organs

What this reference tells you

381 is an Ontario diagnostic code describing “Ear and Mastoid: Serous otitis media, eustachian tube disorders.” It supports the diagnosis field of a claim and is distinct from the fee code identifying the service.

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