H40.11
Primary open-angle glaucoma
Clinical Classification Guidelines
Inclusion Terms
- Chronic simple glaucoma
7th Character Definition
One of the following 7th characters is to be assigned to each code in subcategory H40.11 to designate the stage of glaucoma
Medical Intelligence & Overview
Primary open-angle glaucoma (POAG), classified under ICD-10 code H40.11, is a common form of glaucoma characterized by the gradual loss of vision due to increased pressure inside the eye. Often called chronic simple glaucoma, it tends to develop slowly and painlessly, which can delay diagnosis until significant vision damage has occurred. This condition primarily affects the optic nerve, leading to potential irreversible blindness if not properly managed.
Causes & Symptoms
Clinical Causes: Genetic factors: Family history increases risk. Age: Risk increases with age, especially after 40. Elevated intraocular pressure: A primary factor contributing to nerve damage. Abnormalities in eye drainage: Impaired drainage of aqueous humor leading to increased eye pressure. Other health conditions: Conditions such as diabetes or cardiovascular diseases may contribute.
Key Symptoms: Gradual peripheral vision loss: Often unnoticed at first, leading to tunnel vision. Lack of pain or discomfort: Typically painless, with no early warning signs. Possible headaches or eye strain: As the disease progresses. Blurring of vision: Especially in the later stages. Seeing halos around lights: Occasionally reported. Yellowing or discoloration of the optic disc: Observed in eye examinations.
Diagnostic & Treatment
Diagnosis Path: Diagnosis involves comprehensive eye examinations including measuring intraocular pressure (tonometry), examining the optic nerve (ophthalmoscopy), testing visual fields, and assessing the drainage angle of the eye (gonioscopy). Regular screenings are essential, especially for those at higher risk, to detect early signs before significant vision loss occurs.
Treatment Protocols: While there is no cure for primary open-angle glaucoma, several treatment options aim to slow disease progression:
Clinical Advice & FAQs
Billing Guidance
Is H40.11 a billable ICD-10 code?
Yes, H40.11 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report H40.11?
Clinical documentation must specify the nature of Primary open-angle glaucoma and any associated comorbidities for accurate reporting.
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