ICD-10 Diagnosis Code S86.012

Strain of left Achilles tendon

Diagnosis Code S86.012

ICD-10: S86.012
Short Description: Strain of left Achilles tendon
Long Description: Strain of left Achilles tendon
This is the 2017 version of the ICD-10-CM diagnosis code S86.012

Not Valid for Submission
The code S86.012 is a "header" and not valid for submission for HIPAA-covered transactions.

Code Classification
  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Injuries to the knee and lower leg (S80-S89)
      • Injury of muscle, fascia and tendon at lower leg level (S86)

Information for Patients


Heel Injuries and Disorders

Heel problems are common and can be painful. Often, they result from too much stress on your heel bone and the tissues that surround it. That stress can come from

  • Injuries
  • Bruises that you get walking, running or jumping
  • Wearing shoes that don't fit or aren't made well
  • Being overweight

These can lead to tendinitis, bursitis, and fasciitis, which are all types of inflammation of the tissues that surround your heel. Over time the stress can cause bone spurs and deformities. Certain diseases, such as rheumatoid arthritis and gout, can also lead to heel problems. Treatments for heel problems might include rest, medicines, exercises, taping, and special shoes. Surgery is rarely needed.

  • Achilles tendinitis (Medical Encyclopedia)
  • Achilles tendon repair (Medical Encyclopedia)
  • Achilles tendon rupture - aftercare (Medical Encyclopedia)
  • Bursitis of the heel (Medical Encyclopedia)
  • Heel pain (Medical Encyclopedia)
  • Heel pain and Achilles tendonitis -- aftercare (Medical Encyclopedia)
  • Plantar fasciitis (Medical Encyclopedia)


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Sprains and Strains

A sprain is a stretched or torn ligament. Ligaments are tissues that connect bones at a joint. Falling, twisting, or getting hit can all cause a sprain. Ankle and wrist sprains are common. Symptoms include pain, swelling, bruising, and being unable to move your joint. You might feel a pop or tear when the injury happens.

A strain is a stretched or torn muscle or tendon. Tendons are tissues that connect muscle to bone. Twisting or pulling these tissues can cause a strain. Strains can happen suddenly or develop over time. Back and hamstring muscle strains are common. Many people get strains playing sports. Symptoms include pain, muscle spasms, swelling, and trouble moving the muscle.

At first, treatment of both sprains and strains usually involves resting the injured area, icing it, wearing a bandage or device that compresses the area, and medicines. Later treatment might include exercise and physical therapy.

NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases

  • Ankle sprain - aftercare (Medical Encyclopedia)
  • Elbow sprain -- aftercare (Medical Encyclopedia)
  • Foot sprain - aftercare (Medical Encyclopedia)
  • Hamstring strain - aftercare (Medical Encyclopedia)
  • Hip flexor strain -- aftercare (Medical Encyclopedia)
  • Sprains (Medical Encyclopedia)
  • Strains (Medical Encyclopedia)
  • Tendon repair (Medical Encyclopedia)
  • Wrist sprain - aftercare (Medical Encyclopedia)


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