M00.062 Staphylococcal arthritis, left knee

ICD10CM code

#### Name of the Condition
- **Staphylococcal Arthritis, Left Knee**
- Also known as **septic arthritis** or **infectious arthritis** when caused by the Staphylococcus bacteria.

#### Summary
Staphylococcal arthritis is a type of bacterial infection in a joint, specifically affecting the left knee in this case. It results in rapid inflammation and swelling, often requiring immediate medical intervention to prevent joint damage or systemic infection.

#### Causes
Staphylococcal arthritis is primarily caused by an infection with Staphylococcus bacteria, commonly Staphylococcus aureus. This bacterium can enter the joint through blood infections, after surgeries, or due to injury.

#### Risk Factors
- Joint surgeries or replacement.
- Immunosuppressive conditions (e.g., HIV, diabetes).
- Intravenous drug use.
- Previous joint damage or arthritis.

#### Symptoms
- Severe pain in the left knee.
- Swelling and warmth over the joint.
- Fever and chills.
- Reduced range of motion in the affected knee.

#### Diagnosis
- Joint aspiration and culture to identify the bacteria.
- Blood tests to detect inflammation markers.
- Imaging studies (X-rays, MRIs) to assess joint damage and inflammation.

#### Treatment Options
- **Antibiotics:** Intravenous antibiotics are crucial to eliminating the bacterial infection.
- **Joint Drainage:** Repeated needle drainage, arthroscopy, or open surgery may be needed to clear infected fluids.
- **Pain Management:** Analgesics or nonsteroidal anti-inflammatory drugs (NSAIDs) to relieve pain and reduce inflammation.

#### Prognosis and Follow-Up
Prompt treatment usually results in a good recovery, but delayed care can lead to chronic joint pain or damage. Regular follow-ups are necessary to monitor joint function and ensure the infection has fully cleared.

#### Complications
- Joint destruction or deformity.
- Spread of infection to bones or bloodstream (sepsis).
- Chronic arthritis in the affected knee.

#### Lifestyle & Prevention
- Maintaining a healthy immune system through balanced nutrition and regular exercise.
- Immediate care of wounds to prevent bacterial entry.
- Careful monitoring of any joint injuries or postoperative sites.

#### When to Seek Professional Help
Seek immediate medical attention if experiencing severe joint pain, swelling, fever, or inability to move the knee.

#### Additional Resources
- Centers for Disease Control and Prevention (CDC) [website](https://www.cdc.gov)
- Arthritis Foundation [website](https://www.arthritis.org)

#### Tips for Medical Coders
- Ensure that the side of the body (left knee) is specified to avoid general coding.
- Verify that the condition is confirmed as staphylococcal to accurately apply the M00.062 code.
- Differentiate from similar codes by confirming the specific infectious organism involved.

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