M20.012Billable
Mallet finger of left finger(s)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M20
- Effective date
- October 1, 2026
Related codes in category M20
M20Acquired deformities of fingers and toesM20.0Deformity of finger(s)M20.00Unspecified deformity of finger(s)M20.001Unspecified deformity of right finger(s)YesM20.002Unspecified deformity of left finger(s)YesM20.009Unspecified deformity of unspecified finger(s)YesM20.01Mallet fingerM20.011Mallet finger of right finger(s)YesM20.019Mallet finger of unspecified finger(s)YesM20.02Boutonniere deformityM20.021Boutonniere deformity of right finger(s)YesM20.022Boutonniere deformity of left finger(s)Yes
Frequently asked questions
What is ICD-10 code M20.012?
M20.012 is an ICD-10-CM diagnosis code for Mallet finger of left finger(s).
Is M20.012 a billable code?
Yes. M20.012 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is M20.012 in?
M20.012 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M20.012 become effective?
M20.012 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M20.012?
M20.012 belongs to category M20, 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.