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L482 – Antibody screening

OHIP Laboratory Medicine Code · Schedule of Benefits

Antibody screening. Listed under 2.5 Immunohematology in the Schedule of Benefits for Laboratory Services (effective April 1, 2026). [Essential Specifications 26] d. L492 Crossmatch. When an initial crossmatch is requested, the appropriate claim is for L490 x 1, L482 x 1 plus L492 for each unit ordered. L490 and L482 may not be claimed more than once on the same day of service. L490 and L493 may not be claimed when these procedures are carried out as a confirmatory test on the units of blood to be transfused. g. L495 Direct AHGT - can be used when ordered as a single procedure, or in addition to L482 when the latter is requested as a single procedure. L495 may not be claimed when L490 or L493 is claimed with L482 on the same patient, on the same visit.

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