H40.6
Glaucoma secondary to drugs
Clinical Classification Guidelines
Use Additional Code
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
7th Character Definition
One of the following 7th characters is to be assigned to each code in subcategory H40.6 to designate the stage of glaucoma
Medical Intelligence & Overview
Glaucoma secondary to drugs is a condition where increased pressure within the eye is caused by the side effects of certain medications. This type of glaucoma can lead to optic nerve damage if not detected and managed properly. Unlike other forms of glaucoma, which may have varied causes, this specific type is directly linked to medication use, making awareness and monitoring important for individuals on long-term or high-dose drug therapy.
Causes & Symptoms
Clinical Causes: Use of corticosteroids such as prednisone or dexamethasone Certain anticholinergic medications Some medications used for psychiatric conditions, including antipsychotics Certain eye drops or medications with systemic effects
Key Symptoms: Gradual loss of peripheral vision Blurred vision or difficulty focusing Increased eye pressure known as intraocular pressure Eye pain or discomfort in some cases Halo or rainbow-colored rings around lights Headache or eye redness in advanced cases
Diagnostic & Treatment
Diagnosis Path: Measuring intraocular pressure (tonometry) Assessment of visual fields to detect peripheral vision loss Optic nerve examination via slit-lamp or ophthalmoscopy Imaging tests such as Optical Coherence Tomography (OCT) to evaluate nerve fibers
Treatment Protocols: Discontinuing or adjusting the medication under medical supervision, if feasible Use of eye drops designed to lower intraocular pressure Oral medications to manage eye pressure if topical therapies are insufficient Laser therapy procedures in certain cases Surgical intervention, such as trabeculectomy, in advanced or resistant cases
Clinical Advice & FAQs
Billing Guidance
Is H40.6 a billable ICD-10 code?
Yes, H40.6 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report H40.6?
Clinical documentation must specify the nature of Glaucoma secondary to drugs and any associated comorbidities for accurate reporting.
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