M10.461
Other secondary gout, right knee
Clinical Classification Guidelines
Medical Intelligence & Overview
Other secondary gout affecting the right knee, classified under ICD-10 code M10.461, is a form of gout resulting from an underlying condition that causes high uric acid levels in the bloodstream. This buildup leads to the formation of uric acid crystals in joints, resulting in inflammation and pain. The 'other secondary' designation indicates that the gout is linked to factors other than primary gout, such as health conditions or medications, and especially affects the right knee, which is a common site for gout attacks.
Causes & Symptoms
Clinical Causes: Chronic kidney disease or impaired renal function, which reduces uric acid excretion Use of medications like diuretics or low-dose aspirin Metabolic syndrome, including obesity, hypertension, and insulin resistance Certain types of cancer or cancer treatments Consumption of foods high in purines, such as red meats, seafood, or alcohol Other medical conditions that lead to increased uric acid production or decreased elimination
Key Symptoms: Sudden and intense pain in the affected joint, often waking the patient at night Swelling and redness around the right knee Warmth and tenderness over the joint Limited range of motion due to pain and swelling Possible fever if the inflammation is severe Recurring attacks, which can lead to joint damage over time if untreated
Diagnostic & Treatment
Diagnosis Path: Blood tests to measure serum uric acid levels, though these can be normal during an acute attack Joint fluid analysis through aspiration, revealing needle-shaped uric acid crystals under microscopy Imaging studies such as X-rays or ultrasound to identify joint damage or tophi (urate crystal deposits)
Treatment Protocols: Nonsteroidal anti-inflammatory drugs (NSAIDs) to relieve pain and inflammation during attacks Colchicine or corticosteroids to reduce inflammation, especially if NSAIDs are contraindicated Medications to lower uric acid levels, such as allopurinol or febuxostat, prescribed for ongoing management Lifestyle modifications, including dietary changes to reduce purine intake and staying well-hydrated Managing comorbid conditions like hypertension or kidney disease to improve uric acid elimination
Clinical Advice & FAQs
Billing Guidance
Is M10.461 a billable ICD-10 code?
Yes, M10.461 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report M10.461?
Clinical documentation must specify the nature of Other secondary gout, right knee and any associated comorbidities for accurate reporting.
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