M23.649Billable

Other spontaneous disruption of lateral collateral ligament of unspecified knee

Short description: Oth spon disruption of lateral collat ligament of unsp knee

Chapter
13. Diseases of the musculoskeletal system and connective tissue
Category
M23
Effective date
October 1, 2026

Related codes in category M23

Frequently asked questions

What is ICD-10 code M23.649?

M23.649 is an ICD-10-CM diagnosis code for Other spontaneous disruption of lateral collateral ligament of unspecified knee.

Is M23.649 a billable code?

Yes. M23.649 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is M23.649 in?

M23.649 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M23.649 become effective?

M23.649 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M23.649?

M23.649 belongs to category M23, 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.