M25.661 Stiffness of right knee, not elsewhere classified

ICD10CM code

#### Name of the Condition
- Stiffness of right knee, not elsewhere classified

#### Summary
- Stiffness of the right knee refers to a decrease in the range of motion in the knee joint. It is characterized by a feeling of tightness or difficulty moving the knee, which is not attributed to a specific underlying condition.

#### Causes
- This condition can be caused by various factors including previous injury to the knee, post-surgical recovery, certain types of arthritis, or maintaining a sedentary lifestyle for prolonged periods.

#### Risk Factors
- Risk factors can include age (more common in older adults), previous knee injuries, obesity, physical inactivity, and underlying arthritis or degenerative joint diseases.

#### Symptoms
- Symptoms typically include limited range of motion, difficulty in performing daily activities such as walking or climbing stairs, and a sensation of tightness or locking in the knee.

#### Diagnosis
- Diagnosis generally involves a physical examination by a healthcare provider, assessing the range of motion and any associated pain or swelling. Imaging tests like X-rays or MRIs may be used to rule out other conditions.

#### Treatment Options
- Treatment may include physical therapy to improve flexibility and strength, medications like NSAIDs for pain relief, knee braces or support, or in severe cases, surgical interventions such as arthroscopy. Lifestyle modifications, such as weight management and regular exercise, can also be beneficial.

#### Prognosis and Follow-Up
- The prognosis is generally good with appropriate treatment and lifestyle changes, though some individuals may experience ongoing symptoms. Regular follow-up with a healthcare provider is important to monitor progress and make necessary adjustments to the treatment plan.

#### Complications
- If left untreated, stiffness of the knee can lead to chronic pain, decreased mobility, and potential progression to more severe joint problems or permanent limitation of movement.

#### Lifestyle & Prevention
- Regular physical activity, maintaining a healthy weight, avoiding excessive stress on the knees, and promptly addressing any knee injuries can help prevent stiffness. Stretching and strengthening exercises can be particularly beneficial.

#### When to Seek Professional Help
- Seek medical attention if you experience sudden or severe stiffness, swelling, significant pain, or inability to move the knee after an injury, or if symptoms persist despite home treatment.

#### Additional Resources
- Consider reaching out to organizations like the Arthritis Foundation or the American Academy of Orthopaedic Surgeons for further information and support.

#### Tips for Medical Coders
- Ensure accurate documentation of the side affected (right knee).
- Verify that the stiffness is not associated with a more specific diagnosis before using the term "not elsewhere classified."
- Avoid coding errors by cross-referencing with any existing knee conditions or injuries.

Medical Policies and Guidelines for Stiffness of right knee, not elsewhere classified

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