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
F1 F2 F3 F4 F5 F6 F7 F8 F9 Fa Fe Fi Fl Fo Fp Fr Fs Ft Fu Fy

F9

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes and that identifies a service or procedure to the fifth digit of the right hand.