-- M53.2X Spinal instabilities

--- M53.2X1 Spinal instabilities, occipito-atlanto-axial region

--- M53.2X2 Spinal instabilities, cervical region

--- M53.2X3 Spinal instabilities, cervicothoracic region

--- M53.2X4 Spinal instabilities, thoracic region

--- M53.2X5 Spinal instabilities, thoracolumbar region

--- M53.2X6 Spinal instabilities, lumbar region

--- M53.2X7 Spinal instabilities, lumbosacral region

--- M53.2X8 Spinal instabilities, sacral and sacrococcygeal region

--- M53.2X9 Spinal instabilities, site unspecified