ICD-10-CM > M00-M99 > M20-M25 > M21 > M21.0 M21.0 Valgus deformity, not elsewhere classified Non-Billable/Non-Specific Type 1 Excludes metatarsus valgus (Q66.6)talipes calcaneovalgus (Q66.4-) Codes M21.00Valgus deformity, not elsewhere classified, unspecified siteM21.02Valgus deformity, not elsewhere classified, elbowM21.021Valgus deformity, not elsewhere classified, right elbowM21.022Valgus deformity, not elsewhere classified, left elbowM21.029Valgus deformity, not elsewhere classified, unspecified elbowM21.05Valgus deformity, not elsewhere classified, hipM21.051Valgus deformity, not elsewhere classified, right hipM21.052Valgus deformity, not elsewhere classified, left hipM21.059Valgus deformity, not elsewhere classified, unspecified hipM21.06Valgus deformity, not elsewhere classified, kneeM21.061Valgus deformity, not elsewhere classified, right kneeM21.062Valgus deformity, not elsewhere classified, left kneeM21.069Valgus deformity, not elsewhere classified, unspecified kneeM21.07Valgus deformity, not elsewhere classified, ankleM21.071Valgus deformity, not elsewhere classified, right ankleM21.072Valgus deformity, not elsewhere classified, left ankleM21.079Valgus deformity, not elsewhere classified, unspecified ankle