Claims Submission Ontario Health Insurance Program
Resource Manual for Physicians
 
4.15   Diagnostic Codes (Continued)

Diseases of the Nervous System and Sense Organs (Continued)

Eye Aphakia 360
Retinal detachment 361
Hypertensive retinopathy 362
Chorioretinitis 363
Iritis 364
Glaucoma 365
Cataract, excludes diabetic or congenital 366
Myopia, astigmatism (except for the specific conditions defined by diagnostic code 371),
presbyopia and other disorders of refraction and accommodation
367
Amblyopia, visual field defects 368
Blindness and low vision 369
Keratitis, corneal ulcer 370
High Myopia greater than 9 diopters;
Irregular Astigmatism resulting from corneal grafting or
corneal scarring from diseases
371
Conjunctiva disorders
(e.g., conjunctivitis, pterygium)
372
Blepharitis, chalazion, stye 373
Other eyelid disorders
(e.g., entropion, ectropion, ptosis)
374
Dacryocystitis, obstruction of lacrimal duct 375
Keratoconus 376
Optic neuritis 377
Strabismus 378
Other disorders of the eye 379
Ear and Mastoid Otitis externa 380
Serous otitis media, eustachian tube disorders 381
Suppurative otitis media 382
Mastoiditis 383
Perforation of tympanic membrane 384
Meniere's disease, labyrinthitis 386
Otosclerosis 387
Wax or cerumen in ear, other disorders of ear
and mastoid, tinnitus
388
Deafness 389
Signs and Symptoms Not Yet Diagnosed Convulsions, ataxia, vertigo, headache, except tension headache and migraine 780

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