M12.861 Other specific arthropathies, not elsewhere classified, right knee

ICD10CM code

#### Name of the Condition
- Other specific arthropathies, not elsewhere classified, right knee
- ICD-10 Code: M12.861

#### Summary
This condition involves joint disorders specifically affecting the right knee that don't fit into other predefined categories. It may cause discomfort and mobility issues, impacting daily activities.

#### Causes
- The exact cause is often unclear, but it may be related to previous joint injuries, autoimmune disorders, or wear and tear from repetitive stress on the knee.

#### Risk Factors
- Age: More common in older individuals
- Prior knee injuries
- Obesity, which puts extra stress on the knee joint
- Family history of arthropathies

#### Symptoms
- Pain and swelling in the right knee
- Limited range of motion
- Stiffness, especially after periods of inactivity
- Possible redness and warmth over the affected area

#### Diagnosis
- Clinical evaluation of symptoms
- Imaging tests: X-ray, MRI, or CT scans to assess joint structure
- Blood tests to rule out autoimmune causes

#### Treatment Options
- Medications: Nonsteroidal anti-inflammatory drugs (NSAIDs) for pain and swelling
- Physical therapy: To improve mobility and strength
- In severe cases, surgical intervention such as arthroscopy may be necessary
- Joint injections: Corticosteroids to reduce inflammation

#### Prognosis and Follow-Up
- With appropriate management, symptoms can often be alleviated, improving quality of life.
- Regular follow-ups are necessary to monitor the condition and adjust treatment as needed.

#### Complications
- Chronic pain
- Decreased mobility
- Increased risk for development of osteoarthritis

#### Lifestyle & Prevention
- Maintaining a healthy weight to reduce stress on the knee
- Regular low-impact exercises, such as swimming or cycling
- Avoiding activities that strain the knee excessively

#### When to Seek Professional Help
- Severe or worsening knee pain
- Noticeable swelling or redness in the knee
- Difficulty bearing weight on the affected leg

#### Additional Resources
- Arthritis Foundation: [arthritis.org](https://www.arthritis.org)
- National Institute of Arthritis and Musculoskeletal and Skin Diseases: [niams.nih.gov](https://www.niams.nih.gov)

#### Tips for Medical Coders
- Ensure the involvement of the right knee is accurately documented.
- Double-check the exclusion criteria for similar ICD-10 codes to avoid misclassification.
- Pay attention to any additional documentation that might suggest a more specific diagnosis.

Medical Policies and Guidelines for Other specific arthropathies, not elsewhere classified, right knee

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