ICD-10-CM Billable Code

H50.631

Inferior rectus muscle entrapment, right eye

Clinical Classification Guidelines

Medical Intelligence & Overview

Inferior rectus muscle entrapment occurs when this eye muscle becomes stuck or trapped, often due to trauma or fracture to the orbital bones. The inferior rectus muscle is responsible for lowering the eye and helping with movements such as looking downward. When entrapped, it can significantly impact eye movement, causing double vision and other visual disturbances.

Causes & Symptoms

Clinical Causes: Orbital fractures from trauma or injury Blunt force impacts to the eye or face Surgical complications involving the eye or surrounding bones Orbital tumors or growths that restrict muscle movement

Key Symptoms: Restricted ability to move the right eye downward Double vision, especially when looking down or reading Pain or discomfort around the affected eye Swelling or bruising around the eye Drop in visual acuity in some cases

Diagnostic & Treatment

Diagnosis Path: Diagnosis involves a comprehensive eye examination, where an ophthalmologist assesses eye movements and alignment. Imaging tests such as CT scans or MRI are often necessary to confirm muscle entrapment, visualize orbital fractures, and determine the exact location of the injury. These images help distinguish entrapment from other causes of restricted eye movement.

Treatment Protocols: Treatment for inferior rectus muscle entrapment typically requires prompt intervention. 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 H50.631 a billable ICD-10 code?
Yes, H50.631 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report H50.631?
Clinical documentation must specify the nature of Inferior rectus muscle entrapment, right eye and any associated comorbidities for accurate reporting.

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