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M21.41

Billable

Flat foot [pes planus] (acquired), right foot

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A condition where the arch of the right foot has collapsed, causing the sole to be flat against the ground. This is an acquired condition that develops over time rather than being present from birth.

Coding Tips

  • •Verify whether the flat foot is acquired (developed later) versus congenital; this code is specifically for acquired cases
  • •Ensure laterality is correctly documented as right foot; use M21.42 for left foot or M21.40 if unspecified

Code Hierarchy

└M21Other acquired deformities of limbs└M21.4Flat foot [pes planus] (acquired)└M21.41Flat foot [pes planus] (acquired), right foot
└M21.41Flat foot [pes planus] (acquired), right foot

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