Unspecified traumatic nondisplaced spondylolisthesis of second cervical vertebra, initial encounter for closed fracture
unspecified traumatic nondisplaced spondylolisthesis of second cervical vertebra, initial encounter for closed fracture
Unsp traum nondisp spondylolysis of 2nd cervcal vert, init
unsp traum nondisp spondylolysis of 2nd cervcal vert, init