H40.062
Primary angle closure without glaucoma damage, left eye
Clinical Classification Guidelines
Medical Intelligence & Overview
Primary angle closure without glaucoma damage (ICD-10 Code: H40.062) is an eye condition that involves a sudden or gradual blockage of fluid drainage within the eye, specifically affecting the left eye in this case. This condition is characterized by a narrowing or closure of the angle between the iris and cornea, which can lead to an increase in eye pressure. Unlike other types of glaucoma, this form does not yet cause damage to the optic nerve, making early detection and management crucial.
Causes & Symptoms
Clinical Causes: Anatomical features such as a shallower anterior chamber of the eye Age-related changes leading to thicker or more forward-positioned iris Presence of a narrow anterior chamber angle that predisposes to closure Certain racial or ethnic backgrounds with a higher prevalence of narrow angles Previous eye injuries or surgeries that alter eye anatomy Gradual thickening of the lens with age, which can push the iris forward
Key Symptoms: Sudden episodes of eye pain or discomfort Blurred or reduced vision, especially during episodes Seeing halos around lights Redness in the affected eye Nausea or vomiting accompanying severe episodes Gradual loss of peripheral vision if episodes become frequent No noticeable symptoms between episodes, emphasizing the importance of routine eye check-ups
Diagnostic & Treatment
Diagnosis Path: Measurement of intraocular pressure (IOP) using tonometry Gonioscopy – a special lens to inspect the angle between the iris and cornea Slit-lamp examination to assess the anterior chamber and iris configuration Optical coherence tomography (OCT) to visualize the anterior chamber angle Assessment of optic nerve health to check for early signs of damage
Treatment Protocols: Medications such as topical eye drops to lower intraocular pressure Oral medications in acute episodes to quickly reduce IOP Laser procedures, like laser iridotomy, to create a small hole in the iris and facilitate fluid flow Regular monitoring to detect any progression toward glaucoma Prompt treatment of any acute episodes to prevent optic nerve damage Patient education about symptoms indicating deterioration
Clinical Advice & FAQs
Billing Guidance
Is H40.062 a billable ICD-10 code?
Yes, H40.062 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report H40.062?
Clinical documentation must specify the nature of Primary angle closure without glaucoma damage, left eye and any associated comorbidities for accurate reporting.
Cite this Clinical Reference