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L623
L623 – Antibiotic sensitivity - MIC - one antibiotic, tube or agar dilution
OHIP Laboratory Medicine Code · Schedule of Benefits
Antibiotic sensitivity - MIC - one antibiotic, tube or agar dilution. Listed under 2.7 Microbiology in the Schedule of Benefits for Laboratory Services (effective April 1, 2026). [Essential Specifications 25] Code L623 refers to a specific request for the minimal inhibitory concentration (MIC) of an antimicrobial agent required to inhibit or kill a micro-organism, expressed in units or µg/ml, using multiple/serial dilutions of the antimicrobial agent. L623 shall not be used as a routine antibiotic sensitivity test and does not include breakpoint susceptibility testing using manual kit or automated methodologies.
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