M48.51Header code — not billable
Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region
Short description: Collapsed vertebra, NEC, occipito-atlanto-axial region
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M48
- Effective date
- October 1, 2026
Related codes in category M48
M48Other spondylopathiesM48.0Spinal stenosisM48.00Spinal stenosis, site unspecifiedYesM48.01Spinal stenosis, occipito-atlanto-axial regionYesM48.02Spinal stenosis, cervical regionYesM48.03Spinal stenosis, cervicothoracic regionYesM48.04Spinal stenosis, thoracic regionYesM48.05Spinal stenosis, thoracolumbar regionYesM48.06Spinal stenosis, lumbar regionM48.061Spinal stenosis, lumbar region without neurogenic claudYesM48.062Spinal stenosis, lumbar region with neurogenic claudicationYesM48.07Spinal stenosis, lumbosacral regionYes
Frequently asked questions
What is ICD-10 code M48.51?
M48.51 is an ICD-10-CM diagnosis code for Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region.
Is M48.51 a billable code?
No. M48.51 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is M48.51 in?
M48.51 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M48.51 become effective?
M48.51 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M48.51?
M48.51 belongs to category M48, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.