A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
K0 K1 K2 K3 K4 Ka Kb Kc Kd Ke Kf Kh Ki Kj Km Kn Ko Kp Kq Kr Ks Ku Kx Ky Kz

KO

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating a single drug unit dose formulation.