All codes
L490
Blood Group - ABO and RhD. Listed under 2.5 Immunohematology in the Schedule of Benefits for Laboratory Services (effective April 1, 2026). [Essential Specifications 26] c. L490 Blood Group - ABO and RhD. The subgroups of A and weak RhD phenotype are included where indicated. A direct AHGT is also included in L490; therefore, L495 may not be claimed on the same patient when this code is claimed. 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. e. L493. This code includes L490 [see Essential Specifications, paragraph 26(c)] and Rh phenotype as well as …
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