M92.42 Juvenile osteochondrosis of patella, left knee

Name of the Condition

• Juvenile osteochondrosis of patella, left knee

Summary

Juvenile osteochondrosis of the patella is a childhood condition affecting the growth region of the kneecap, where stress or injury leads to pain and inflammation. This disorder commonly affects active children and adolescents who participate in sports.

Causes

Repetitive stress or chronic trauma to the knee during growth spurts. Overuse from activities involving jumping or running. Potential genetic predisposition affecting bone growth.

Risk Factors

• Age: Typically affects children and adolescents.
• Physical activity: High levels of sports participation.
• Gender: More common in boys.
• Rapid growth periods during puberty.

Symptoms

• Pain and tenderness around the front of the knee.
• Swelling or inflammation near the patella.
• Difficulty in movement or reduced flexibility.

Diagnosis

Clinical examination assessing symptoms and activity history. Imaging tests like X-rays or MRI for visualizing knee structure.

Treatment Options

• Rest and reduced activity to alleviate stress on the knee.
• Physical therapy to strengthen muscles and improve flexibility.
• NSAIDs for pain and inflammation relief.
• In severe cases, immobilization using a brace.

Prognosis and Follow-Up

Most cases resolve with conservative treatment as the child matures. Follow-up may involve monitoring for recurrence or complications.

Complications

• Persistent pain or functional limitations.
• Delayed healing or chronic inflammation.
• Rarely, progression to more severe joint issues.

Lifestyle & Prevention

• Gradual warm-up and cool-down routines before/after physical activity.
• Proper footwear and equipment to reduce knee stress.
• Balanced activity levels to avoid overuse.

When to Seek Professional Help

Seek care if pain persists despite rest, swelling increases, or movement becomes significantly restricted.

Tips for Medical Coders

Document the affected knee (left) and specify clinical findings supporting osteochondrosis of the patella. Include details on symptom onset, activity history, and imaging results when available.