Dorsopathy M53.9 deforming M43.9 specified NEC --see subcategory M43.8 specified NEC M53.80 cervical region M53.82 cervicothoracic region M53.83 lumbar region M53.86 lumbosacral region M53.87 occipito-atlanto-axial region M53.81 sacrococcygeal region M53.88 thoracic region M53.84 thoracolumbar region M53.85