ICD-10-CM Billable Code

M13.142

Monoarthritis, not elsewhere classified, left hand

Clinical Classification Guidelines

Medical Intelligence & Overview

Monoarthritis refers to inflammation affecting a single joint in the body. When it occurs specifically in the left hand and is classified under ICD-10 code M13.142, it indicates a diagnosis of monoarthritis that is not elsewhere classified, affecting the left hand. This condition can develop due to various underlying causes and may lead to discomfort, swelling, and reduced mobility of the affected joint.

Causes & Symptoms

Clinical Causes: Infections: Bacterial or viral infections can infect the joint, leading to inflammation. Degenerative joint disease: Conditions like osteoarthritis may cause joint deterioration and monoarthritis. Autoimmune disorders: Diseases such as rheumatoid arthritis or gout can trigger joint inflammation. Trauma or injury: Sprains, fractures, or other injuries to the finger joints can lead to monoarthritis. Crystalline deposits: Gout or pseudogout can cause crystal formation within the joint, resulting in inflammation. Other less common causes: including certain skin or systemic conditions that affect the joints.

Key Symptoms: Swelling around the affected joint in the left hand Pain or tenderness during movement or at rest Stiffness, especially after periods of inactivity Warmth and redness over the joint area Decreased range of motion of the finger joints or hand Possible loss of function if the condition persists or worsens

Diagnostic & Treatment

Diagnosis Path: The diagnosis of monoarthritis involves a thorough clinical evaluation, including medical history and physical examination. To confirm the underlying cause, healthcare providers may suggest additional tests such as:

Treatment Protocols: Managing monoarthritis typically involves addressing the underlying cause and relieving symptoms. Treatment options may 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 M13.142 a billable ICD-10 code?
Yes, M13.142 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report M13.142?
Clinical documentation must specify the nature of Monoarthritis, not elsewhere classified, left hand and any associated comorbidities for accurate reporting.

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