Name of the Condition

• Unilateral primary osteoarthritis, right knee
• Also known as degenerative joint disease of the right knee

Summary

Unilateral primary osteoarthritis of the right knee is a degenerative joint condition where the cartilage that cushions the right knee joint wears down over time. This leads to pain, stiffness, and decreased mobility in the affected knee.

Causes

• Aging and natural wear-and-tear on the knee joint
• Previous knee injuries or trauma
• Chronic stress on the knee from repetitive motion or excessive activity

Risk Factors

• Age: More common in individuals aged 50 and older
• Obesity: Increased weight places additional stress on knee joints
• Genetic predisposition: Family history of osteoarthritis
• Gender: Higher prevalence in females
• Occupations or sports involving heavy use of knees

Symptoms

• Pain and tenderness in the right knee
• Stiffness, especially after resting or first thing in the morning
• Swelling and inflammation around the knee joint
• Reduced range of motion or difficulty walking
• Crepitus (grating sensation) during knee movement

Diagnosis

• Physical examination by a healthcare provider
• Imaging tests such as X-rays to assess joint damage
• MRI may be used for detailed imaging if needed
• Consideration of medical history and symptom patterns

Treatment Options

• Medications: NSAIDs for pain relief and reducing inflammation
• Physical Therapy: Exercises to strengthen muscles around the knee and improve flexibility
• Lifestyle Modifications: Weight loss to alleviate pressure on the knee
• Injections: Corticosteroids or hyaluronic acid injections for pain relief
• Surgery: Knee arthroscopy or knee replacement in severe cases

Prognosis and Follow-Up

• Progressive condition with variable rate of progression
• Regular follow-ups necessary to monitor joint health and adjust treatments
• Good pain management and therapy can significantly improve quality of life

Complications

• Chronic pain and increased disability
• Joint instability or leg deformities
• Risk of falls due to decreased knee function

Lifestyle & Prevention

• Maintain a healthy weight to reduce knee strain
• Engage in low-impact exercises like swimming or cycling
• Practice joint protection techniques during activities
• Use supportive footwear

When to Seek Professional Help

• Persistent or worsening knee pain
• Sudden swelling or severe knee deformity
• Inability to bear weight on the affected knee

Additional Resources

• Arthritis Foundation
• American Academy of Orthopaedic Surgeons
• Patient support groups and forums

Tips for Medical Coders

• Ensure laterality is documented: right knee
• Verify documentation distinguishes between primary (idiopathic) and secondary osteoarthritis
• Be aware of common coding errors such as omitting the specification of the knee affected