ICD-10-CM Billable Code

M1A.411

Other secondary chronic gout, right shoulder

Clinical Classification Guidelines

Medical Intelligence & Overview

Chronic gout is a long-term form of gout characterized by persistent joint inflammation and the formation of tophi—hard deposits of crystalline uric acid. When this condition affects the right shoulder, it can cause ongoing discomfort, stiffness, and limited mobility. It's important to understand the causes, symptoms, diagnosis, and treatment options to manage this condition effectively.

Causes & Symptoms

Clinical Causes: Elevated levels of uric acid in the blood, known as hyperuricemia, which can result from genetic predisposition, diet, obesity, or metabolic disorders. Repeated episodes of acute gout attacks that, if untreated, lead to chronic joint damage. Inadequate management of gout attacks, allowing crystal deposits to accumulate and lead to chronic inflammation. Presence of tophi that accumulate and cause persistent joint symptoms. Certain medications or health conditions that impair uric acid excretion, such as kidney dysfunction.

Key Symptoms: Persistent pain and tenderness in the right shoulder, often worse with movement. Swelling and redness around the shoulder joint. Limited range of motion due to joint stiffness. Presence of firm tophi around or within the shoulder joint. Discomfort that lasts for weeks or months, indicating a transition from acute to chronic gout. Potential warmth or increased sensitivity in the affected area.

Diagnostic & Treatment

Diagnosis Path: Medical history review focusing on gout attacks, joint symptoms, and uric acid levels. Physical examination of the shoulder to assess swelling, tenderness, and tophi. Blood tests measuring serum uric acid levels. Joint aspiration, where a small sample of joint fluid is examined under a microscope to identify uric acid crystals. Imaging studies such as X-rays or ultrasound to detect tophi or joint damage. Assessment of kidney function to evaluate uric acid clearance.

Treatment Protocols: Medications to reduce inflammation during acute flare-ups, such as nonsteroidal anti-inflammatory drugs (NSAIDs) or corticosteroids. Urate-lowering therapies like allopurinol or febuxostat to prevent future attacks and reduce crystal deposits. Colchicine, which can be used for both acute attacks and prevention. Lifestyle modifications, including dietary changes to reduce purine intake (found in red meats, shellfish, and alcohol). Maintaining a healthy weight through diet and exercise. Ensuring adequate hydration to help eliminate uric acid. Regular monitoring of uric acid levels and joint health to adjust treatment plans accordingly.

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is M1A.411 a billable ICD-10 code?
Yes, M1A.411 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report M1A.411?
Clinical documentation must specify the nature of Other secondary chronic gout, right shoulder and any associated comorbidities for accurate reporting.

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