ICD-10-CM Billable Code

H40.06

Primary angle closure without glaucoma damage

Clinical Classification Guidelines

Medical Intelligence & Overview

Primary angle closure without glaucoma damage, classified under ICD-10 code H40.06, is a type of eye condition where the drainage angle of the eye becomes narrow or blocked, leading to increased intraocular pressure. This condition is a form of angle-closure glaucoma but differs as it has not yet caused damage to the optic nerve. Recognizing and understanding this condition is vital for preventing progression to more severe glaucoma stages, which can lead to vision loss.

Causes & Symptoms

Clinical Causes: Anatomical features such as a shallower anterior chamber of the eye Age-related changes leading to a narrower drainage angle Certain race or ethnicity factors, with higher prevalence in Asian populations Farsightedness (hyperopia) which often correlates with shallower anterior chambers Sudden pupil dilation due to drugs or emotional responses that can narrow the drainage angle

Key Symptoms: Transient episodes of headache or eye discomfort Blurred vision or seeing halos around lights Redness or swelling in the eye Episodes of eye pain, often described as severe or aching No symptoms may be evident in early stages; often detected during routine eye exams

Diagnostic & Treatment

Diagnosis Path: Diagnosis involves a comprehensive eye examination by an ophthalmologist, including:

Treatment Protocols: Management of primary angle closure without glaucoma damage focuses on preventing angle closure episodes and preserving vision. Treatment options 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 H40.06 a billable ICD-10 code?
Yes, H40.06 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report H40.06?
Clinical documentation must specify the nature of Primary angle closure without glaucoma damage and any associated comorbidities for accurate reporting.

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