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M20.5

M20.5: Other deformities of toe(s) (acquired)

Non-billable headerICD-10-CM

M20.5 is a non-billable header ICD-10-CM code for other deformities of toe(s) (acquired). It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above M20.5

A category’s note binds every code beneath it.

Written on M20: Acquired deformities of fingers and toes

  • acquired absence of fingers and toes (Z89.-)
  • congenital absence of fingers and toes (Q71.3-, Q72.3-)
  • congenital deformities and malformations of fingers and toes (Q66.-, Q68-Q70, Q74.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M20.5

1 child code. Green means billable.

Other codes under M20

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.