| M4848XG | Fatigue fracture of vertebra, sacral and sacrococcygeal region, subsequent encounter for fracture with delayed healing |
| M4848XS | Fatigue fracture of vertebra, sacral and sacrococcygeal region, sequela of fracture |
| M485 | Collapsed vertebra, not elsewhere classified |
| M4850 | Collapsed vertebra, not elsewhere classified, site unspecified |
| M4850XA | Collapsed vertebra, not elsewhere classified, site unspecified, initial encounter for fracture |
| M4850XD | Collapsed vertebra, NEC, site unsp, subs for fx w routn heal Collapsed vertebra, not elsewhere classified, site unspecified, subsequent encounter for fracture with routine healing |
| M4850XG | Collapsed vertebra, NEC, site unsp, subs for fx w delay heal Collapsed vertebra, not elsewhere classified, site unspecified, subsequent encounter for fracture with delayed healing |
| M4850XS | Collapsed vertebra, not elsewhere classified, site unspecified, sequela of fracture |
| M4851 | Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region |
| M4851XA | Collapsed vertebra, NEC, occipito-atlanto-axial region, init Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, initial encounter for fracture |
| M4851XD | Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, subsequent encounter for fracture with routine healing |
| M4851XG | Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, subsequent encounter for fracture with delayed healing |
| M4851XS | Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, sequela of fracture |
| M4852 | Collapsed vertebra, not elsewhere classified, cervical region |
| M4852XA | Collapsed vertebra, not elsewhere classified, cervical region, initial encounter for fracture |
| M4852XD | Collapsed vertebra, not elsewhere classified, cervical region, subsequent encounter for fracture with routine healing |
| M4852XG | Collapsed vertebra, not elsewhere classified, cervical region, subsequent encounter for fracture with delayed healing |
| M4852XS | Collapsed vertebra, not elsewhere classified, cervical region, sequela of fracture |
| M4853 | Collapsed vertebra, not elsewhere classified, cervicothoracic region |
| M4853XA | Collapsed vertebra, not elsewhere classified, cervicothoracic region, initial encounter for fracture |
| M4853XD | Collapsed vertebra, not elsewhere classified, cervicothoracic region, subsequent encounter for fracture with routine healing |
| M4853XG | Collapsed vertebra, not elsewhere classified, cervicothoracic region, subsequent encounter for fracture with delayed healing |
| M4853XS | Collapsed vertebra, not elsewhere classified, cervicothoracic region, sequela of fracture |
| M4854 | Collapsed vertebra, not elsewhere classified, thoracic region |
| M4854XA | Collapsed vertebra, not elsewhere classified, thoracic region, initial encounter for fracture |
| M4854XD | Collapsed vertebra, not elsewhere classified, thoracic region, subsequent encounter for fracture with routine healing |
| M4854XG | Collapsed vertebra, not elsewhere classified, thoracic region, subsequent encounter for fracture with delayed healing |
| M4854XS | Collapsed vertebra, not elsewhere classified, thoracic region, sequela of fracture |
| M4855 | Collapsed vertebra, not elsewhere classified, thoracolumbar region |
| M4855XA | Collapsed vertebra, not elsewhere classified, thoracolumbar region, initial encounter for fracture |
| M4855XD | Collapsed vert, NEC, thrclm region, subs for fx w routn heal Collapsed vertebra, not elsewhere classified, thoracolumbar region, subsequent encounter for fracture with routine healing |
| M4855XG | Collapsed vert, NEC, thrclm region, subs for fx w delay heal Collapsed vertebra, not elsewhere classified, thoracolumbar region, subsequent encounter for fracture with delayed healing |
| M4855XS | Collapsed vertebra, not elsewhere classified, thoracolumbar region, sequela of fracture |
| M4856 | Collapsed vertebra, not elsewhere classified, lumbar region |
| M4856XA | Collapsed vertebra, not elsewhere classified, lumbar region, initial encounter for fracture |
| M4856XD | Collapsed vert, NEC, lumbar region, subs for fx w routn heal Collapsed vertebra, not elsewhere classified, lumbar region, subsequent encounter for fracture with routine healing |
| M4856XG | Collapsed vert, NEC, lumbar region, subs for fx w delay heal Collapsed vertebra, not elsewhere classified, lumbar region, subsequent encounter for fracture with delayed healing |
| M4856XS | Collapsed vertebra, not elsewhere classified, lumbar region, sequela of fracture |
| M4857 | Collapsed vertebra, not elsewhere classified, lumbosacral region |
| M4857XA | Collapsed vertebra, not elsewhere classified, lumbosacral region, initial encounter for fracture |
| M4857XD | Collapsed vert, NEC, lumbosacr rgn, subs for fx w routn heal Collapsed vertebra, not elsewhere classified, lumbosacral region, subsequent encounter for fracture with routine healing |
| M4857XG | Collapsed vert, NEC, lumbosacr rgn, subs for fx w delay heal Collapsed vertebra, not elsewhere classified, lumbosacral region, subsequent encounter for fracture with delayed healing |
| M4857XS | Collapsed vertebra, not elsewhere classified, lumbosacral region, sequela of fracture |
| M4858 | Collapsed vertebra, not elsewhere classified, sacral and sacrococcygeal region |
| M4858XA | Collapsed vertebra, not elsewhere classified, sacral and sacrococcygeal region, initial encounter for fracture |
| M4858XD | Collapsed vertebra, not elsewhere classified, sacral and sacrococcygeal region, subsequent encounter for fracture with routine healing |
| M4858XG | Collapsed vertebra, not elsewhere classified, sacral and sacrococcygeal region, subsequent encounter for fracture with delayed healing |
| M4858XS | Collapsed vertebra, not elsewhere classified, sacral and sacrococcygeal region, sequela of fracture |
| M488 | Other specified spondylopathies |
| M488X | Other specified spondylopathies |