All codes
L568
L568 – Double gel diffusion, qualitative (Ouchterlony) per antigen: antibodies to food antigens (milk, wheat proteins) or fungal antigens (allergic alveolitis screening series) - maximum of 4 antisera per patient screen
OHIP Laboratory Medicine Code · Schedule of Benefits
Double gel diffusion, qualitative (Ouchterlony) per antigen: antibodies to food antigens (milk, wheat proteins) or fungal antigens (allergic alveolitis screening series) - maximum of 4 antisera per patient screen. Listed under 2.6 Immunology in the Schedule of Benefits for Laboratory Services (effective April 1, 2026).
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