ICD-10-CM › M00-M99 › M45-M49 › M46.2 Osteomyelitis of vertebra › M46.21
M46.21
Osteomyelitis of vertebra, 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 Osteomyelitis of vertebra, occipito-atlanto-axial region
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.
- Osteitis
- Osteopathy
- Diaphysitis
- Endosteitis
- Periostitis
- Abscess > bone
- Abscess > serous
- Osteoperiostitis
- Dactylitis > bone
- Osteitis > Garr's
- Sequestrum > bone
- Abscess > scapular
- Ganglion > periosteal
- Osteomyelitis > Garr's
- Pearl-worker's disease
- Abscess > subperiosteal
- Formation > sequestrum in bone
- Osteomyelitis > nonsuppurating
- Abscess > bone > chronic or old
- Abscess > periosteum, periosteal
- Abscess > spine > nontuberculous
- Osteomyelitis > acute > vertebra
- Periostosis > with osteomyelitis
- Disease, diseased > pearl-worker's
- Osteomyelitis > chronic > vertebra
- Abscess > vertebra > nontuberculous
- Osteomyelitis > subacute > vertebra
- Osteitis > sclerotic, nonsuppurative
- Osteomyelitis > chronic > multifocal
- Infection, infected, infective > bone
- Suppuration, suppurative > pericranial
- Abscess > bone > spinal > nontuberculous
- Garré's disease, osteitis, osteomyelitis
- Osteomyelitis > sclerosing, nonsuppurative
- Inflammation, inflamed, inflammatory > bone
- Fistula > bone > with osteomyelitis, chronic
- Granuloma > bone > from residual foreign body
- Osteomyelitis > specified type NEC > vertebra
- Osteomyelitis > acute > hematogenous > vertebra
- Abscess > periosteum, periosteal > with osteomyelitis
Showing 40 of 48 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M46.20 | Osteomyelitis of vertebra, site unspecified | Valid |
| M46.22 | Osteomyelitis of vertebra, cervical region | Valid |
| M46.23 | Osteomyelitis of vertebra, cervicothoracic region | Valid |
| M46.24 | Osteomyelitis of vertebra, thoracic region | Valid |
| M46.25 | Osteomyelitis of vertebra, thoracolumbar region | Valid |
| M46.26 | Osteomyelitis of vertebra, lumbar region | Valid |
| M46.27 | Osteomyelitis of vertebra, lumbosacral region | Valid |
| M46.28 | Osteomyelitis of vertebra, sacral and sacrococcygeal region | Valid |