ICD-10 Diagnosis Code S99.912A

Unspecified injury of left ankle, initial encounter

Diagnosis Code S99.912A

ICD-10: S99.912A
Short Description: Unspecified injury of left ankle, initial encounter
Long Description: Unspecified injury of left ankle, initial encounter
This is the 2018 version of the ICD-10-CM diagnosis code S99.912A

Valid for Submission
The code S99.912A is valid for submission for HIPAA-covered transactions.

Code Classification
  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Injuries to the ankle and foot (S90-S99)
      • Other and unspecified injuries of ankle and foot (S99)

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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