Monteggia's fracture of right ulna, subsequent encounter for open fracture type I or II with nonunion
monteggia's fracture of right ulna, subsequent encounter for open fracture type i or ii with nonunion
Monteggia's fx r ulna, subs for opn fx type I/2 w nonunion
monteggia's fx r ulna, subs for opn fx type i/2 w nonunion