M99 - Biomechanical lesions, not elsewhere classified
M99.5 - Intervertebral disc stenosis of neural canal
M99.50 - Intervertebral disc stenosis of neural canal of head region
M99.51 - Intervertebral disc stenosis of neural canal of cervical region
M99.52 - Intervertebral disc stenosis of neural canal of thoracic region
M99.53 - Intervertebral disc stenosis of neural canal of lumbar region
M99.54 - Intervertebral disc stenosis of neural canal of sacral region
M99.55 - Intervertebral disc stenosis of neural canal of pelvic region
M99.56 - Intervertebral disc stenosis of neural canal of lower extremity
M99.57 - Intervertebral disc stenosis of neural canal of upper extremity
M99.58 - Intervertebral disc stenosis of neural canal of rib cage
M99.59 - Intervertebral disc stenosis of neural canal of abdomen and other regions