| M4135 | Thoracogenic scoliosis, thoracolumbar region |
| M414 | Neuromuscular scoliosis |
| M4140 | Neuromuscular scoliosis, site unspecified |
| M4141 | Neuromuscular scoliosis, occipito-atlanto-axial region |
| M4142 | Neuromuscular scoliosis, cervical region |
| M4143 | Neuromuscular scoliosis, cervicothoracic region |
| M4144 | Neuromuscular scoliosis, thoracic region |
| M4145 | Neuromuscular scoliosis, thoracolumbar region |
| M4146 | Neuromuscular scoliosis, lumbar region |
| M4147 | Neuromuscular scoliosis, lumbosacral region |
| M415 | Other secondary scoliosis |
| M4150 | Other secondary scoliosis, site unspecified |
| M4152 | Other secondary scoliosis, cervical region |
| M4153 | Other secondary scoliosis, cervicothoracic region |
| M4154 | Other secondary scoliosis, thoracic region |
| M4155 | Other secondary scoliosis, thoracolumbar region |
| M4156 | Other secondary scoliosis, lumbar region |
| M4157 | Other secondary scoliosis, lumbosacral region |
| M418 | Other forms of scoliosis |
| M4180 | Other forms of scoliosis, site unspecified |
| M4182 | Other forms of scoliosis, cervical region |
| M4183 | Other forms of scoliosis, cervicothoracic region |
| M4184 | Other forms of scoliosis, thoracic region |
| M4185 | Other forms of scoliosis, thoracolumbar region |
| M4186 | Other forms of scoliosis, lumbar region |
| M4187 | Other forms of scoliosis, lumbosacral region |
| M419 | Scoliosis, unspecified |
| M42 | Spinal osteochondrosis |
| M420 | Juvenile osteochondrosis of spine |
| M4200 | Juvenile osteochondrosis of spine, site unspecified |
| M4201 | Juvenile osteochondrosis of spine, occipito-atlanto-axial region |
| M4202 | Juvenile osteochondrosis of spine, cervical region |
| M4203 | Juvenile osteochondrosis of spine, cervicothoracic region |
| M4204 | Juvenile osteochondrosis of spine, thoracic region |
| M4205 | Juvenile osteochondrosis of spine, thoracolumbar region |
| M4206 | Juvenile osteochondrosis of spine, lumbar region |
| M4207 | Juvenile osteochondrosis of spine, lumbosacral region |
| M4208 | Juvenile osteochondrosis of spine, sacral and sacrococcygeal region |
| M4209 | Juvenile osteochondrosis of spine, multiple sites in spine |
| M421 | Adult osteochondrosis of spine |
| M4210 | Adult osteochondrosis of spine, site unspecified |
| M4211 | Adult osteochondrosis of spine, occipito-atlanto-axial region |
| M4212 | Adult osteochondrosis of spine, cervical region |
| M4213 | Adult osteochondrosis of spine, cervicothoracic region |
| M4214 | Adult osteochondrosis of spine, thoracic region |
| M4215 | Adult osteochondrosis of spine, thoracolumbar region |
| M4216 | Adult osteochondrosis of spine, lumbar region |
| M4217 | Adult osteochondrosis of spine, lumbosacral region |
| M4218 | Adult osteochondrosis of spine, sacral and sacrococcygeal region |
| M4219 | Adult osteochondrosis of spine, multiple sites in spine |