ICD-10 Diagnosis Code M21.17

Varus deformity, not elsewhere classified, ankle

Diagnosis Code M21.17

ICD-10: M21.17
Short Description: Varus deformity, not elsewhere classified, ankle
Long Description: Varus deformity, not elsewhere classified, ankle
This is the 2018 version of the ICD-10-CM diagnosis code M21.17

Not Valid for Submission
The code M21.17 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


Ankle Injuries and Disorders

Your ankle bone and the ends of your two lower leg bones make up the ankle joint. Your ligaments, which connect bones to one another, stabilize and support it. Your muscles and tendons move it.

The most common ankle problems are sprains and fractures. A sprain is an injury to the ligaments. It may take a few weeks to many months to heal completely. A fracture is a break in a bone. You can also injure other parts of the ankle such as tendons, which join muscles to bone, and cartilage, which cushions your joints. Ankle sprains and fractures are common sports injuries.

  • Ankle arthroscopy (Medical Encyclopedia)
  • Ankle fracture - aftercare (Medical Encyclopedia)
  • Ankle pain (Medical Encyclopedia)
  • Ankle replacement (Medical Encyclopedia)
  • Ankle sprain - aftercare (Medical Encyclopedia)
  • Foot, leg, and ankle swelling (Medical Encyclopedia)


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