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M20.0

Non-billable

Deformity of finger(s)

M20.0 is the ICD-10-CM code for Deformity of finger(s). It is a non-billable category code — use a more specific child code such as M20.00 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M20
Subcodes
5
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Excludes1 — not coded here

  • •clubbing of fingers (R68.3)
  • •palmar fascial fibromatosis [Dupuytren] (M72.0)
  • •trigger finger (M65.3)

Frequently asked questions

What is ICD-10 code M20.0?
M20.0 is the ICD-10-CM code for "Deformity of finger(s)". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M20.0 a billable code?
No — M20.0 is a non-billable header code. Use a more specific child code (such as M20.00) for billing.
What are the subcodes of M20.0?
M20.0 has 5 more specific child codes, including M20.00, M20.01, M20.02.
What is excluded from M20.0?
Excludes1 (not coded here): clubbing of fingers (R68.3); palmar fascial fibromatosis [Dupuytren] (M72.0); trigger finger (M65.3).

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

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