ICD-10-CM Billable Code

H40.849

Neovascular secondary angle closure glaucoma, unspecified eye

Clinical Classification Guidelines

Medical Intelligence & Overview

Neovascular secondary angle closure glaucoma is a rare type of eye condition characterized by increased eye pressure caused by abnormal blood vessel growth within the eye. This condition can affect one or both eyes and may lead to vision loss if not properly managed. It is classified under the ICD-10 code H40.849 and typically occurs as a complication of other eye diseases that cause abnormal blood vessel growth.

Causes & Symptoms

Clinical Causes: Severe or prolonged eye ischemia (lack of blood flow), often due to diabetic retinopathy Central retinal vein occlusion Carotid artery disease or blockages Tumors within or near the eye Other eye conditions that promote abnormal blood vessel growth

Key Symptoms: Gradual or sudden loss of vision Eye pain or headache Halos around lights Redness in the affected eye Decreased peripheral vision Seeing floaters or dark spots

Diagnostic & Treatment

Diagnosis Path: Diagnosing neovascular secondary angle closure glaucoma involves a comprehensive eye examination by an ophthalmologist, including:

Treatment Protocols: Management of this condition focuses on lowering eye pressure and controlling the underlying cause of abnormal blood vessel growth. Typical treatments 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 H40.849 a billable ICD-10 code?
Yes, H40.849 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report H40.849?
Clinical documentation must specify the nature of Neovascular secondary angle closure glaucoma, unspecified eye and any associated comorbidities for accurate reporting.

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