Codes / ICD10CM / S90.122A

S90.122A Contusion of left lesser toe(s) without damage to nail, initial encounter

ICD10CM code

ICD10CM

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Name of the Condition

  • Contusion of left lesser toe(s) without damage to nail, initial encounter

Summary

A contusion of the left lesser toe(s) is a bruise resulting from blunt force trauma that damages underlying soft tissues without breaking the skin or affecting the nail. It typically causes localized pain, swelling, and discoloration in the affected toe(s).

Causes

Direct impact or trauma to the left lesser toe(s), such as stubbing it against a hard object or dropping a heavy item on it. Sports injuries or accidents involving the foot may also lead to this condition.

Risk Factors

  • Participation in activities with a high risk of toe trauma, such as running or contact sports.
  • Wearing open-toed or poorly fitting footwear that exposes the toes to injury.
  • Occupations involving physical labor or environments where foot injuries are more likely.

Symptoms

  • Pain and tenderness around the affected left lesser toe(s).
  • Localized swelling and discoloration (bruising) of the skin.
  • Possible difficulty walking or applying pressure on the toe(s).

Diagnosis

Physical examination by a healthcare provider to assess tenderness, swelling, and discoloration. A review of the patient’s history to determine the mechanism of injury. Imaging (e.g., X-rays) may be used to rule out fractures or other injuries.

Treatment Options

  • Resting the affected toe to avoid further injury.
  • Applying ice to reduce pain and swelling.
  • Elevating the foot to minimize swelling.
  • Over-the-counter pain relievers (e.g., acetaminophen or ibuprofen) for discomfort.
  • Wearing protective footwear to prevent additional trauma.

Prognosis and Follow-Up

Most contusions resolve within 1–2 weeks with proper care. Follow-up may be recommended if symptoms worsen or persist, or if there is uncertainty about the injury. Full recovery is expected with no long-term complications in uncomplicated cases.

Complications

  • Persistent pain or swelling beyond the expected healing time.
  • Development of infection if the skin is compromised (though rare in uncomplicated contusions).
  • Chronic discomfort or stiffness in the toe.

Lifestyle & Prevention

  • Wear closed-toe, well-fitting shoes during activities with a risk of toe injury.
  • Use protective gear (e.g., toe guards) in sports or work environments where foot trauma is possible.
  • Maintain awareness of surroundings to avoid accidental impacts to the toes.

When to Seek Professional Help

Seek medical attention if there is severe pain, inability to bear weight, signs of infection (e.g., redness, pus), or if the toe appears deformed, as these may indicate a more serious injury like a fracture.

Tips for Medical Coders

Document the specific toe(s) affected (left lesser toe(s)), absence of nail damage, and that this is the initial encounter. Ensure clinical notes support the mechanism of injury and absence of complications to justify the code.

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