M13.861
Other specified arthritis, right knee
Clinical Classification Guidelines
Medical Intelligence & Overview
Other specified arthritis of the right knee, classified under ICD-10 Code M13.861, refers to a type of joint inflammation that affects the knee on the right side, which doesn't fall under more common categories like osteoarthritis or rheumatoid arthritis. This condition can cause discomfort and limit mobility, impacting daily activities. Recognizing the signs, understanding its causes, and knowing the available management options can help individuals better navigate this condition.
Causes & Symptoms
Clinical Causes: Previous injury or trauma to the knee Infections affecting the joint Autoimmune diseases that target joint tissues Chronic overuse or repetitive stress on the knee Less common causes like crystal-induced arthritis (e.g., gout) Degenerative changes not classified under typical osteoarthritis
Key Symptoms: Persistent joint pain in the right knee Swelling and tenderness around the joint Reduced range of motion or stiffness Warmth or redness in the affected area Feeling of instability or weakness when bearing weight Occasional locking or catching sensations in the knee
Diagnostic & Treatment
Diagnosis Path: Medical history review focused on symptom duration, previous injuries, or related health conditions Physical examination to assess swelling, warmth, tenderness, and movement restrictions Imaging studies such as X-rays or MRI scans to detect joint structural changes Laboratory tests, including blood work or joint fluid analysis, to identify possible infections or autoimmune causes
Treatment Protocols: Medications such as NSAIDs to reduce inflammation and pain Physical therapy to strengthen muscles around the knee and improve flexibility Lifestyle modifications including weight management and activity adjustments Intra-articular steroid injections for targeted anti-inflammatory effects Use of assistive devices like braces or canes to reduce stress on the joint In severe cases, surgical options such as joint debridement or knee replacement may be considered
Clinical Advice & FAQs
Billing Guidance
Is M13.861 a billable ICD-10 code?
Yes, M13.861 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report M13.861?
Clinical documentation must specify the nature of Other specified arthritis, right knee and any associated comorbidities for accurate reporting.
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