M21

Non-Billable

Other acquired deformities of limbs

M21 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • M21.0Valgus deformity, not elsewhere classified
  • M21.1Varus deformity, not elsewhere classified
  • M21.2Flexion deformity
  • M21.3Wrist or foot drop (acquired)
  • M21.4Flat foot [pes planus] (acquired)
  • M21.5Acquired clawhand, clubhand, clawfoot and clubfoot
  • M21.6Other acquired deformities of foot
  • M21.7Unequal limb length (acquired)
  • M21.8Other specified acquired deformities of limbs
  • M21.9Unspecified acquired deformity of limb and hand
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