Codes / ICD10CM / S93.421

S93.421 Sprain of deltoid ligament of right ankle

ICD10CM code

ICD10CM

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Name of the Condition

  • Sprain of Deltoid Ligament of Right Ankle
  • Technical term: Deltoid Ligament Sprain

Summary

A sprain of the deltoid ligament of the right ankle involves the overstretching or tearing of the deltoid ligament, which is located on the inner side of the ankle. This injury typically causes pain, swelling, and reduced mobility in the affected area.

Causes

Ankle sprains, including those of the deltoid ligament, often result from twisting or rolling the ankle, sudden impacts, or falls. Sports-related activities or accidents may also lead to this type of injury.

Risk Factors

  • Participating in sports that involve quick changes in direction or jumping
  • Walking or running on uneven surfaces
  • Wearing inappropriate or unsupportive footwear
  • Having a prior ankle injury

Symptoms

  • Pain and tenderness along the inner side of the ankle
  • Swelling and bruising
  • Limited range of motion
  • Difficulty bearing weight on the affected ankle

Diagnosis

Diagnosis involves a physical examination to assess swelling, range of motion, and pain location. Imaging tests such as X-rays, MRI, or ultrasound may be used to rule out fractures and evaluate ligament damage.

Treatment Options

  • Rest and immobilization to allow healing
  • Ice application to reduce swelling
  • Compression with an elastic bandage to minimize swelling
  • Elevation of the ankle to decrease swelling
  • Physical therapy to restore strength and flexibility
  • Anti-inflammatory medications for pain relief

Prognosis and Follow-Up

Most sprains heal within a few weeks with proper care. Follow-up may involve monitoring recovery progress and adjusting treatment as needed. Severe cases may require longer rehabilitation.

Complications

  • Chronic instability or recurrent sprains
  • Persistent pain or stiffness
  • Nerve or blood vessel damage (rare)

Lifestyle & Prevention

  • Wear supportive footwear during physical activities
  • Use ankle braces or tape for high-risk activities
  • Improve balance and strength through exercises
  • Avoid uneven surfaces when possible

When to Seek Professional Help

Seek medical attention if pain is severe, swelling worsens, or weight-bearing is impossible. Persistent symptoms after initial treatment may also require evaluation.

Tips for Medical Coders

Document the specific ligament (deltoid) and laterality (right ankle) to ensure accurate coding. Include details about the encounter type and any associated injuries for complete documentation.

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