M23.631Billable

Other spontaneous disruption of medial collateral ligament of right knee

Short description: Oth spon disruption of medial collat ligament of right 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 M23.631?

M23.631 is an ICD-10-CM diagnosis code for Other spontaneous disruption of medial collateral ligament of right knee.

Is M23.631 a billable code?

Yes. M23.631 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is M23.631 in?

M23.631 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M23.631 become effective?

M23.631 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M23.631?

M23.631 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.