“Use 20939 in conjunction with 22319, 22532, 22533, 22534, 22548, 22551, 22552, 22554, 22556, 22558, 22590, 22595, 22600, 22610, 22612, 22630, 22633, 22634, 22800, 22802, 22804, 22808, 22810, 22812” “For bilateral procedure, use 20939 with modifier 50” “For aspiration of bone ma...