M20.5

Non-billable

Other deformities of toe(s) (acquired)

M20.5 is the ICD-10-CM code for Other deformities of toe(s) (acquired). It is a non-billable category code — use a more specific child code such as M20.5X for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M20
Subcodes
1
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

Fourteen of the 26 bones in your feet are in your toes. The toes, particularly your big toe, help you move and keep your balance. Playing sports, running, stubbing your toe, and dropping something on your foot can damage your toes. Wearing shoes that are too loose or too tight can also cause toe problems. Certain diseases, such as severe arthritis, can cause toe problems and pain. Gout often causes pain in the big…

Read more about Toe Injuries and Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M20.5?
M20.5 is the ICD-10-CM code for "Other deformities of toe(s) (acquired)". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M20.5 a billable code?
No — M20.5 is a non-billable header code. Use a more specific child code (such as M20.5X) for billing.
What are the subcodes of M20.5?
M20.5 has 1 more specific child code, including M20.5X.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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