M89.012 Algoneurodystrophy, left shoulder

Name of the Condition

• Algoneurodystrophy, left shoulder
  
  • Also known as Reflex Sympathetic Dystrophy (RSD) or Complex Regional Pain Syndrome Type I (CRPS I).

Summary

Algoneurodystrophy is a chronic pain condition affecting the left shoulder. It occurs when the nervous system and immune system malfunction in response to tissue damage, leading to persistent pain and functional impairment.

Causes

The exact cause is not well understood, but it often follows an injury, surgery, or other trauma to the left shoulder. It may involve inflammation and abnormal nerve activity in the affected region.

Risk Factors

• Trauma or injury to the left shoulder
• Certain shoulder surgeries
• More common in females and individuals over 30 years of age

Symptoms

• Severe, continuous, burning or throbbing pain in the left shoulder
• Sensitivity to touch or cold in the affected area
• Swelling and changes in skin temperature, color, and texture
• Limited range of motion or motor dysfunction in the left shoulder

Diagnosis

Clinical evaluation including medical history and physical examination. Imaging tests (e.g., MRI, bone scans) to rule out other conditions. Sympathetic nervous system tests may be used to assess nerve function.

Treatment Options

• Pain relievers, corticosteroids, and anticonvulsant medications to manage pain and symptoms
• Physical therapy to maintain mobility and function in the left shoulder
• Sympathetic nerve blocks
• Psychotherapy to address the emotional aspects of chronic pain

Prognosis and Follow-Up

Prognosis varies; early treatment may improve outcomes. Regular follow-up is important to monitor symptoms and adjust treatment as needed. Some individuals experience long-term pain or disability.

Complications

• Chronic pain that persists despite treatment
• Permanent loss of function in the left shoulder
• Psychological distress due to chronic pain

Lifestyle & Prevention

• Protect the left shoulder from further injury
• Engage in regular, gentle exercise to maintain mobility
• Manage stress through relaxation techniques or therapy

When to Seek Professional Help

Seek medical attention if you experience severe, unrelenting pain in the left shoulder, sudden changes in skin color or temperature, or loss of function.

Tips for Medical Coders

Document the specific site (left shoulder) and any associated symptoms or contributing factors. Ensure clinical documentation supports the diagnosis and site specificity for accurate coding.