ICD-10-CM › M00-M99 › M50-M54 › M50.02 Cervical disc disorder with... › M50.021
M50.021
Cervical disc disorder at C4-C5 level with myelopathy
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2017 to now.
- FY2017 Added to the code set Cervical disc disorder at C4-C5 level with myelopathy
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from M50 Cervical disc disorders
Includes
- cervicothoracic disc disorders with cervicalgia
- cervicothoracic disc disorders
Inherited from the M50-M54 section Other dorsopathies (M50-M54)
Excludes1 - never coded here
- current injury - see injury of spine by body region
- discitis NOS (M46.4-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Sequestration > disc
- Prolapse, prolapsed > disc
- Syndrome > cervical > disc
- Herniation > nucleus pulposus
- Disease, diseased > discogenic
- Extrusion > intervertebral disc
- Hernia, hernial > nucleus pulposus
- Disease, diseased > nucleus pulposus
- Dislocation > vertebra > nontraumatic
- Hernia, hernial > cartilage, vertebra
- Disease, diseased > disc, degenerative
- Disease, diseased > intervertebral disc
- Rupture, ruptured > intervertebral disc
- Slipped, slipping > intervertebral disc
- Protrusion, protrusio > nucleus pulposus
- Degeneration, degenerative > disc disease
- Destruction, destructive > vertebral disc
- Prolapse, prolapsed > intervertebral disc
- Protrusion, protrusio > intervertebral disc
- Disease, diseased > vertebra, vertebral > disc
- Inflammation, inflamed, inflammatory > nerve NEC
- Hernia, hernial > intervertebral cartilage or disc
- Defect, defective > intervertebral annular fibrosis
- Neuritis > brachial > due to displacement, intervertebral disc
- Disease, diseased > intervertebral disc > cervical, cervicothoracic
- Disease, diseased > intervertebral disc > cervical, cervicothoracic > with > myelopathy
- Displacement, displaced > intervertebral disc NEC > cervical, cervicothoracic > myelopathy
- Degeneration, degenerative > intervertebral disc > cervical, cervicothoracic > with > myelopathy
- Disease, diseased > intervertebral disc > cervical, cervicothoracic > with > neuritis, radiculitis or radiculopathy
- Displacement, displaced > intervertebral disc NEC > cervical, cervicothoracic > neuritis, radiculitis or radiculopathy
- Degeneration, degenerative > intervertebral disc > cervical, cervicothoracic > with > neuritis, radiculitis or radiculopathy
- Disorder > disc > cervical > with > myelopathy > C4-C5
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M50.020 | Cervical disc disorder with myelopathy, mid-cervical region, unspecified level | Valid |
| M50.022 | Cervical disc disorder at C5-C6 level with myelopathy | Valid |
| M50.023 | Cervical disc disorder at C6-C7 level with myelopathy | Valid |