ICD-10-CM › M00-M99 › M45-M49 › M47.02 Vertebral artery compression syndromes › M47.021
Vertebral artery compression syndromes, occipito-atlanto-axial region
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 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Vertebral artery compression syndromes, occipito-atlanto-axial region
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 M47 Spondylosis
Includes
- arthrosis or osteoarthritis of spine
- degeneration of facet joints
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.
- Syndrome > compression > vertebral artery > occipito-atlanto-axial region
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M47.022 | Vertebral artery compression syndromes, cervical region | Valid |
| M47.029 | Vertebral artery compression syndromes, site unspecified | Valid |