M40.204Billable
Unspecified kyphosis, thoracic region
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M40
- Effective date
- October 1, 2026
Related codes in category M40
M40Kyphosis and lordosisM40.0Postural kyphosisM40.00Postural kyphosis, site unspecifiedYesM40.03Postural kyphosis, cervicothoracic regionYesM40.04Postural kyphosis, thoracic regionYesM40.05Postural kyphosis, thoracolumbar regionYesM40.1Other secondary kyphosisM40.10Other secondary kyphosis, site unspecifiedYesM40.12Other secondary kyphosis, cervical regionYesM40.13Other secondary kyphosis, cervicothoracic regionYesM40.14Other secondary kyphosis, thoracic regionYesM40.15Other secondary kyphosis, thoracolumbar regionYes
Frequently asked questions
What is ICD-10 code M40.204?
M40.204 is an ICD-10-CM diagnosis code for Unspecified kyphosis, thoracic region.
Is M40.204 a billable code?
Yes. M40.204 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is M40.204 in?
M40.204 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M40.204 become effective?
M40.204 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M40.204?
M40.204 belongs to category M40, 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.