M21.00
BillableValgus deformity, not elsewhere classified, unspecified site
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
An outward bending or turning of a joint (typically the knee or ankle) that is not classified elsewhere, affecting an unspecified body location.
Coding Tips
Code Hierarchy
└M21Other acquired deformities of limbs└M21.0Valgus deformity, not elsewhere classified└M21.00Valgus deformity, not elsewhere classified, unspecified site
└M21.00Valgus deformity, not elsewhere classified, unspecified site