M40-43: deforming dorsopathies | M40: kyphosis and lordosis |
M41: scoliosis | |
M42: spinal osteochondrosis | |
M43: other deforming dorsopathies | |
M45-M49: spondylopathies | M45: ankylosing spondylitis |
M46: other inflammatory spondylopathies | |
M47: spondylosis | |
M48: other spondylopathies | |
M49: spondylopathies in diseases classified elsewhere | |
M50-M54: other dorsopathies | M50: cervical disc disorders |
M51: other intervertebral disc disorders | |
M53: other dorsopathies, not elsewhere classified | |
M54: dorsalgia |