ICD-10-CM Billable Code

M1A.461

Other secondary chronic gout, right knee

Clinical Classification Guidelines

Medical Intelligence & Overview

Chronic gout is a long-term form of gout that can lead to joint damage and pain if left untreated. Specifically, when gout affects the right knee persistently and is classified as other secondary chronic gout, it indicates an ongoing issue caused by an underlying condition or medication that contributes to high uric acid levels in the blood. Recognizing this condition helps in managing symptoms and preventing further joint damage.

Causes & Symptoms

Clinical Causes: Repeated episodes of acute gout attacks leading to chronic inflammation Underlying medical conditions such as kidney disease or metabolic syndrome Use of medications like diuretics or low-dose aspirin that increase uric acid levels Diet rich in purine-containing foods (e.g., red meat, shellfish, alcohol) Genetic predisposition affecting uric acid processing

Key Symptoms: Persistent joint pain, swelling, and redness in the right knee Limited range of motion due to joint stiffness Formation of tophi (lumps under the skin around the joint) Recurring episodes of acute gout attacks followed by a steady state of pain and discomfort Possible joint deformity if the condition progresses

Diagnostic & Treatment

Diagnosis Path: Diagnosis involves a combination of clinical evaluation, laboratory testing, and imaging. Key steps include:

Treatment Protocols: While specific treatment should always be guided by a healthcare professional, common approaches include:

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.461 a billable ICD-10 code?
Yes, M1A.461 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report M1A.461?
Clinical documentation must specify the nature of Other secondary chronic gout, right knee and any associated comorbidities for accurate reporting.

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