Ophthalmology diagnostic & therapeutic procedures OHIP billing codes

These are the most commonly used Ophthalmology diagnostic & therapeutic procedures OHIP billing codes. To find other billing codes search the OHIP fee schedule here .


All codes

Code Description Amount
G424 Contact lens fitting - includes follow-up for 3 months except for patients under 4 years of age at the time of the initial fitting $201.00
G431 Contact lens fitting - under general anaesthesia … add $41.60
G423 One eye only, when the other eye has been previously fitted by the same physician, with follow-up for 3 months $90.30
G463 Hydrophilic Bandage lens fitting $90.30
G453 Electro-oculogram - interpretation fee $41.60
G426 Glaucoma provocative tests, including water drinking tests $9.70
G427 Ophthalmodynamometry $9.60
G429 Radioactive phosphorus examination - anterior approach $42.45
G430 Radioactive phosphorus examination - posterior approach $86.05
G421 Subconjunctival or sub-Tenons capsule injection $27.70
G435 Tonometry $5.10
G850 Colour vision detailed assessment - technical component $21.10
G438 Colour vision detailed assessment - professional component $22.15
G851 Dark adaptation curve (Goldmann adaptometer or equivalent) - technical component $31.65
G437 Dark adaptation curve (Goldmann adaptometer or equivalent) - professional component $22.90
G852 Electro-retinography with report - Full field or multi-focal electro-retinography - technical component $34.30
G439 Electro-retinography with report - Full field electro-retinography - professional component $75.00
G524 Electro-retinography with report - Multi-focal electro-retinography - professional component $75.00
G853 Fluorescein angiography - technical component $22.75
G425 Fluorescein angiography - professional component $44.40
G854 Fluorescein angioscopy - technical component $6.65
G444 Fluorescein angioscopy - professional component $7.00
G855 Hess screen examination - technical component $6.50
G428 Hess screen examination - professional component $6.85
G856 Tonography (to include tonometry) with or without water - technical component $9.35
G433 Tonography (to include tonometry) with or without water - professional component $9.90
G857 Visual fields - kinetic (with permanent record) - technical component $4.55
G436 Visual fields - kinetic (with permanent record) - professional component $14.50
G858 Visual fields - static - technical component $13.75
G432 Visual fields - static - professional component $26.95
G813 Corneal pachymetry, professional component $5.10
G811 Keratometry, professional component $4.80
G810 Corneal topography, professional component $4.80
G812 Specular photomicroscopy, professional component $4.80
G818 OCT unilateral or bilateral - retinal disease, when the physician interprets the results and either performs the procedure or supervises the performance of the procedure $35.00
G820 OCT unilateral or bilateral - glaucoma, when the physician interprets the results and either performs the procedure or supervises the performance of the procedure $35.00
G821 OCT unilateral or bilateral - active management of retinal disease with laser or intravitreal injections when the physician interprets the results and either performs the procedure or supervises the performance of the procedure $35.00
G822 OCT unilateral or bilateral - active management with laser or intravitreal injections $25.00
G823 OCT unilateral or bilateral - evaluation of an infant/child/adolescent with retinal disease and/or glaucoma (including genetic retinal anomalies and cancer) $35.00
G814 Orthoptic examination $25.00
G149 Visual evoked response - simple - technical component $18.20
G147 Visual evoked response - simple - professional component $12.30
G152 Visual evoked response - threshold - technical component $31.15
G150 Visual evoked response - threshold - professional component $19.20
G460 Unilateral PDT per patient … per day $330.00
G461 Bilateral PDT per patient … per day $500.00