ICD-10-CM > M00-M99 > M20-M25 > M21 > M21.1 > M21.15 M21.15 Varus deformity, not elsewhere classified, hip Non-Billable/Non-Specific Codes M21.151Varus deformity, not elsewhere classified, right hipM21.152Varus deformity, not elsewhere classified, left hipM21.159Varus deformity, not elsewhere classified, unspecified hip