Codes / ICD10CM / S42.416G

S42.416G Nondisplaced simple supracondylar fracture without intercondylar fracture of unspecified humerus, subsequent encounter for fracture with delayed healing

ICD10CM code

ICD10CM

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Name of the Condition

  • Nondisplaced simple supracondylar fracture without intercondylar fracture of unspecified humerus, subsequent encounter for fracture with delayed healing

Summary

This condition is a fracture of the distal (lower) end of the humerus, near the elbow, where the bone breaks in a simple pattern without displacement or involvement of the intercondylar region. The fracture does not extend into the area between the condyles, and the bone fragments remain aligned without significant displacement. The "subsequent encounter" indicates this is a follow-up visit for the fracture, and "delayed healing" means the fracture is taking longer than expected to heal.

Causes

The fracture typically results from direct trauma, such as a fall onto an outstretched arm or a direct blow to the elbow. High-impact injuries, including sports-related incidents or motor vehicle accidents, may also cause this type of fracture.

Risk Factors

  • Participation in contact sports or activities with a high risk of falls.
  • Advanced age, which may increase bone fragility.
  • Osteoporosis or other bone-weakening conditions.
  • Previous elbow injuries or fractures.

Symptoms

  • Pain and tenderness at the elbow or lower arm.
  • Swelling and bruising around the affected area.
  • Difficulty moving the arm or limited range of motion.
  • Potential deformity or abnormal positioning of the elbow.

Diagnosis

Diagnosis is confirmed through physical examination and imaging, such as X-rays, to assess the fracture's location and pattern. Clinical evaluation helps determine if the fracture is simple (non-displaced) and excludes intercondylar involvement. Follow-up imaging may be used to evaluate healing progress and identify delayed healing.

Treatment Options

Treatment typically involves immobilization with a cast or splint to support the bone during healing. Pain management and physical therapy may be recommended to restore function. In cases of delayed healing, additional interventions, such as bone stimulation or surgery, may be considered.

Prognosis and Follow-Up

Most fractures heal with proper immobilization and care, but delayed healing may extend recovery time. Regular follow-up appointments are necessary to monitor progress and adjust treatment as needed. Full recovery of strength and range of motion is expected, though it may take several months.

Complications

  • Delayed or nonunion of the fracture.
  • Chronic pain or stiffness in the elbow.
  • Nerve or blood vessel damage near the fracture site.
  • Post-traumatic arthritis.

Lifestyle & Prevention

  • Use protective gear during high-risk activities.
  • Maintain bone health through a balanced diet and regular exercise.
  • Avoid falls by using assistive devices if needed.
  • Follow post-injury care instructions to support healing.

When to Seek Professional Help

Seek medical attention if pain worsens, swelling increases, or there is new numbness or tingling in the arm. Contact a healthcare provider if the fracture does not show signs of healing or if mobility does not improve with treatment.

Tips for Medical Coders

Document the encounter as a subsequent visit for a fracture with delayed healing. Ensure clinical notes specify the fracture type (nondisplaced, simple, no intercondylar involvement) and the humerus side (unspecified). Include details on healing status to support the "delayed healing" modifier.

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