ICD-10-CM > M00-M99 > M40-M43 > M40 > M40.2 > M40.20 M40.20 Unspecified kyphosis Non-Billable/Non-Specific Codes M40.202Unspecified kyphosis, cervical regionM40.203Unspecified kyphosis, cervicothoracic regionM40.204Unspecified kyphosis, thoracic regionM40.205Unspecified kyphosis, thoracolumbar regionM40.209Unspecified kyphosis, site unspecified