M13.871 Other specified arthritis, right ankle and foot

ICD10CM code

#### Name of the Condition
- Other Specified Arthritis, Right Ankle and Foot (ICD-10 code: M13.871)

#### Summary
Other specified arthritis refers to a group of joint disorders affecting the right ankle and foot, characterized by inflammation, pain, and swelling. Unlike more common forms such as osteoarthritis or rheumatoid arthritis, this classification captures cases with less typical features or unclear etiologies.

#### Causes
- Trauma or injury to the ankle or foot.
- Autoimmune disorders causing joint inflammation.
- Infections that affect joint tissue.
- Metabolic issues, like gout, causing joint swelling.

#### Risk Factors
- Previous injuries to the ankle or foot.
- Family history of arthritis or autoimmune disorders.
- Aging, which can lead to joint degeneration.
- Obesity, increasing stress on ankle and foot joints.

#### Symptoms
- Pain and tenderness in the right ankle or foot.
- Swelling and stiffness in affected joints.
- Reduced range of motion.
- Warmth and redness over joints.

#### Diagnosis
- Physical examination assessing joint swelling and tenderness.
- Imaging tests such as X-rays or MRIs to view joint changes.
- Blood tests to rule out other types of arthritis or infections.
- Joint aspiration to analyze synovial fluid.

#### Treatment Options
- NSAIDs (Nonsteroidal Anti-Inflammatory Drugs) to reduce pain and inflammation.
- Corticosteroid injections for severe inflammation.
- Physical therapy to improve mobility and strength.
- Surgery in severe cases to repair or replace damaged joints.

#### Prognosis and Follow-Up
- With appropriate treatment, symptoms can be managed effectively, though some cases may persist.
- Regular follow-ups are crucial to monitor disease progression and adjust treatment.

#### Complications
- Chronic pain or discomfort affecting mobility.
- Joint deformity or significant loss of function.
- Increased risk of falls and related injuries due to impaired joint function.

#### Lifestyle & Prevention
- Maintaining a healthy weight to reduce pressure on joints.
- Regular exercise to enhance joint flexibility and strength.
- Use of supportive footwear to provide stability.

#### When to Seek Professional Help
- Persistent or worsening pain in the ankle or foot.
- Significant swelling, redness, or warmth in joints.
- Difficulty walking or bearing weight on the foot.

#### Additional Resources
- Arthritis Foundation: [arthritis.org](https://www.arthritis.org)
- American College of Rheumatology: [rheumatology.org](https://www.rheumatology.org)

#### Tips for Medical Coders
- Ensure the laterality is correctly documented as right.
- Be aware of specifying "other specified arthritis" rather than a more common type unless confirmed.
- Double-check for concurrent conditions or injuries that may require additional coding.

Medical Policies and Guidelines for Other specified arthritis, right ankle and foot

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