Codes / ICD10CM / S42.125B

S42.125B Nondisplaced fracture of acromial process, left shoulder, initial encounter for open fracture

ICD10CM code

ICD10CM

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Name of the Condition

  • Nondisplaced fracture of acromial process, left shoulder, initial encounter for open fracture

Summary

A nondisplaced fracture of the acromial process of the left shoulder involves a break in the bony projection (acromion) of the scapula where the bone fragments remain aligned. The acromial process forms part of the shoulder's roof and connects to the clavicle, contributing to joint stability. This injury is classified as an open fracture, meaning the broken bone has pierced the skin, and it is documented as the initial encounter for this specific injury.

Causes

Traumatic injury is the primary cause, often resulting from a direct blow to the shoulder, a fall onto the shoulder, or a forceful impact during activities like sports or accidents. High-energy events, such as motor vehicle collisions, can also lead to this type of fracture. The open nature of the fracture indicates that the trauma was severe enough to breach the skin.

Risk Factors

  • Participation in contact sports or activities with a risk of shoulder impact.
  • Osteoporosis or conditions that weaken bone density.
  • Advanced age, which may increase susceptibility to fractures from minor trauma.
  • Previous shoulder injuries that compromise bone integrity.

Symptoms

  • Pain localized to the top of the left shoulder, especially with movement.
  • Swelling, bruising, or tenderness over the acromial area.
  • Limited range of motion in the shoulder joint.
  • Difficulty lifting or rotating the arm.
  • Visible wound or open skin at the fracture site due to the open nature of the injury.

Diagnosis

Diagnosis begins with a physical examination to assess pain, swelling, and open wound presence. Imaging studies, such as X-rays or CT scans, confirm the fracture and verify that it is nondisplaced. The open fracture is identified by the presence of a skin breach, and the initial encounter status is documented based on the timing of care.

Treatment Options

Treatment focuses on wound care to prevent infection, pain management, and immobilization of the shoulder to allow healing. Surgical intervention may be required if the fracture is unstable or if there is significant soft tissue damage. Antibiotics are often prescribed for open fractures to reduce infection risk.

Prognosis and Follow-Up

With proper treatment, most nondisplaced fractures heal well, though open fractures carry a higher risk of infection. Follow-up care includes monitoring for healing progress and assessing shoulder function. Physical therapy may be recommended to restore mobility and strength once the fracture is stable.

Complications

  • Infection at the open fracture site.
  • Delayed healing or nonunion of the fracture.
  • Chronic pain or reduced shoulder function.
  • Nerve or blood vessel damage from the injury.

Lifestyle & Prevention

  • Use protective gear during contact sports or high-risk activities.
  • Maintain bone health through adequate calcium and vitamin D intake.
  • Avoid falls by using assistive devices if balance is impaired.
  • Seek prompt medical care for shoulder injuries to prevent complications.

When to Seek Professional Help

Seek immediate medical attention if there is an open wound at the shoulder, severe pain, or inability to move the arm. Prompt care is critical for open fractures to reduce infection risk and ensure proper treatment.

Tips for Medical Coders

Document the fracture as nondisplaced, specify the left shoulder, and confirm the open nature of the injury. The initial encounter status is applicable when this is the first encounter for the open fracture. Ensure documentation supports the absence of displacement and the presence of an open wound to accurately reflect the code.

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