Unspecified nondisplaced fracture of first cervical vertebra, subsequent encounter for fracture with nonunion
unspecified nondisplaced fracture of first cervical vertebra, subsequent encounter for fracture with nonunion
Unsp nondisp fx of 1st cervcal vert, subs for fx w nonunion
unsp nondisp fx of 1st cervcal vert, subs for fx w nonunion