Other nondisplaced fracture of fourth cervical vertebra, subsequent encounter for fracture with nonunion
other nondisplaced fracture of fourth cervical vertebra, subsequent encounter for fracture with nonunion
Oth nondisp fx of 4th cervcal vert, subs for fx w nonunion
oth nondisp fx of 4th cervcal vert, subs for fx w nonunion