Allergy diagnostic & therapeutic procedures OHIP billing codes

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


All codes

Code Description Amount
G700 Basic fee-per-visit premium for procedures marked(') $0.00
G185 Drug(s) desensitisation - in a hospital where full cardioresuscitative equipment is readily available because a significant risk of life-threatening anaphylaxis exists. The service must be performed under direct and ongoing physician attendance $0.00
G200 Acute desensitisation, e.g. ATS, penicillin $0.00
G201 Direct nasal tests, to a maximum of 3 per year … per test $0.00
G202 Hyposensitisation - each injection $0.00
G212 Hyposensitisation - when sole reason for visit (including first injection) $0.00
G205 Insect venom desensitisation (immunotherapy) - per injection (maximum of 5 per day). In addition to G205, after the initial major assessment only, a minor or partial assessment may be claimed once per day if rendered $0.00
G203 Ophthalmic tests - direct, to maximum of 3 per year … per test $0.00
G204 Ophthalmic tests - quantitative $0.00
G206 Patch test - maximum of 90 per patient, per year … per test $0.00
G198 Patch test - for industrial or occupational dermatoses, to a maximum of 125 per patient, per year … per test $0.00
G207 Bronchial provocative testing - per session, to a maximum of 6 per year $0.00
G208 Provocation testing … per unit $0.00
G190 Serial oral or parenteral provocation testing to a food, drug or other substance $0.00
G209 Skin testing - technical component, to a maximum of 50 per year … per test $0.00
G197 Skin testing - professional component, to a maximum of 50 per year … per test $0.00
G199 Venom allergy testing, maximum of 2 per patient per physician per 12 month period $0.00
G195 Local anaesthetic hypersensitivity skin test, maximum of 2 per patient per physician per 12 month period $0.00
G196 Hypersensitivity skin test for validated drugs or agents excluding foods and inhalants, maximum of 3 per patient per physician per 12 month period $0.00
E582 - when testing with penicillin minor determinant mixture outside a hospital setting, to G196 … add $0.00
G213 Physical urticaria challenges $0.00