M21.25 Flexion deformity, hipNon-billable header with 3 child codes.
M21.251 Flexion deformity, right hipM21.252 Flexion deformity, left hipM21.259 Flexion deformity, unspecified hipM23 Internal derangement of knee ("deformity of knee (M21.-)")M24.5 Contracture of joint ("acquired deformities of limbs (M20-M21)")M25 Other joint disorder, not elsewhere classified ("acquired deformities of limb (M20-M21)")M95 Other acquired deformities of musculoskeletal system and connective tissue ("acquired deformities of limbs (M20-M21)")Z89 Acquired absence of limb ("acquired deformities of limbs (M20-M21)")M21.239 Flexion deformity, unspecified wristM21.24 Flexion deformity, finger jointsM21.241 Flexion deformity, right finger jointsM21.242 Flexion deformity, left finger jointsM21.249 Flexion deformity, unspecified finger jointsM21.25 Flexion deformity, hip (this code)M21.251 Flexion deformity, right hipM21.252 Flexion deformity, left hipM21.259 Flexion deformity, unspecified hipM21.26 Flexion deformity, kneeM21.261 Flexion deformity, right knee