Unspecified traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, initial encounter for closed fracture
unspecified traumatic nondisplaced spondylolisthesis of fourth cervical vertebra, initial encounter for closed fracture
Unsp traum nondisp spondylolysis of 4th cervcal vert, init
unsp traum nondisp spondylolysis of 4th cervcal vert, init