ICD-10 Diagnosis Code M21.94

Unspecified acquired deformity of hand

Diagnosis Code M21.94

ICD-10: M21.94
Short Description: Unspecified acquired deformity of hand
Long Description: Unspecified acquired deformity of hand
This is the 2018 version of the ICD-10-CM diagnosis code M21.94

Not Valid for Submission
The code M21.94 is a "header" and not valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Other joint disorders (M20-M25)
      • Other acquired deformities of limbs (M21)

Information for Patients


Hand Injuries and Disorders

No matter how old you are or what you do for a living, you are always using your hands. When there is something wrong with them, you may not be able to do your regular activities.

Hand problems include

  • Carpal tunnel syndrome - compression of a nerve as it goes through the wrist, often making your fingers feel numb
  • Injuries that result in fractures, ruptured ligaments and dislocations
  • Osteoarthritis - wear-and-tear arthritis, which can also cause deformity
  • Tendinitis - irritation of the tendons
  • Disorders and injuries of your fingers and thumb

  • Brachial plexopathy (Medical Encyclopedia)
  • Claw hand (Medical Encyclopedia)
  • Dupuytrens contracture (Medical Encyclopedia)
  • Hand fracture - aftercare (Medical Encyclopedia)
  • Hand or foot spasms (Medical Encyclopedia)
  • Hand x-ray (Medical Encyclopedia)
  • Radial nerve dysfunction (Medical Encyclopedia)
  • Ulnar nerve dysfunction (Medical Encyclopedia)


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