M65.312Billable

Trigger thumb, left thumb

Chapter
13. Diseases of the musculoskeletal system and connective tissue
Category
M65
Effective date
October 1, 2026

Related codes in category M65

Frequently asked questions

What is ICD-10 code M65.312?

M65.312 is an ICD-10-CM diagnosis code for Trigger thumb, left thumb.

Is M65.312 a billable code?

Yes. M65.312 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is M65.312 in?

M65.312 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M65.312 become effective?

M65.312 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M65.312?

M65.312 belongs to category M65, 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.