1 4 5 7 A B C D E F G H I J K L M 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 Kx Ky Kz

KR

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating a billing for partial month of a rental item.