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L473
L473 – Parallel titration on two specimens to include confirmation of previously detected antibody
OHIP Laboratory Medicine Code · Schedule of Benefits
Parallel titration on two specimens to include confirmation of previously detected antibody. Listed under 2.5 Immunohematology in the Schedule of Benefits for Laboratory Services (effective April 1, 2026). [Essential Specifications 26] b. L473 Parallel Titration - to be used when two sequential patient serum specimens are tested to detect a change in antibody titre. Includes a repeat antibody identification on the current sample.
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