10ICD Code Hub

M21.86

Header — not billable

Other specified acquired deformities of lower leg

The ICD-10 code for other specified acquired deformities of lower leg is M21.86.

M21.86 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under M21.86

Related codes in this category