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Compare/M20 vs M24.5

M20 vs M24.5

M20 (Acquired deformities of fingers and toes) compared with M24.5 (Contracture of joint), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. M24.5 carries an Excludes2 note covering M20: “acquired deformities of limbs (M20-M21)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

M20Acquired deformities of fingers and toesM24.5Contracture of joint
Billing statusNon-billable header

Report instead: M20.001, M20.002, M20.009, M20.011, M20.012

Non-billable header

Report instead: M24.50, M24.511, M24.512, M24.519, M24.521

ClassificationM00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)
DefinitionAcquired deformities of fingers and toes is a non-billable ICD-10-CM category code (M20).Contracture of joint is a non-billable ICD-10-CM category code (M24.5).
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources