H21.549
Posterior synechiae (iris), unspecified eye
Clinical Classification Guidelines
Medical Intelligence & Overview
Posterior synechiae refer to abnormal adhesions that form between the iris (the colored part of the eye) and the lens inside the eye. These adhesions occur behind the iris, typically as a response to inflammation or injury. The condition can affect one or both eyes and may lead to vision problems if left untreated. ICD-10 code H21.549 pertains to unspecified eye posterior synechiae, indicating that the diagnosis is about the formation of adhesions in the posterior segment of the eye without specifying the affected eye.
Causes & Symptoms
Clinical Causes: Uveitis: Inflammation of the uveal tract, which includes the iris, ciliary body, and choroid Eye injuries or trauma Infections within the eye, such as toxoplasmosis or herpes simplex virus Post-surgical inflammation following eye procedures Chronic eye conditions leading to persistent inflammation
Key Symptoms: Reduced vision or visual disturbances Irregular pupil shape or size Sensitivity to light (photophobia) Eye redness and discomfort Occasional eye pain Clogged or blocked aqueous humor flow in severe cases
Diagnostic & Treatment
Diagnosis Path: Diagnosis involves a comprehensive eye examination by an ophthalmologist, including:
Treatment Protocols: Management of posterior synechiae focuses on preventing further adhesions, reducing inflammation, and addressing any underlying causes. Typical approaches include:
Clinical Advice & FAQs
Billing Guidance
Is H21.549 a billable ICD-10 code?
Yes, H21.549 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report H21.549?
Clinical documentation must specify the nature of Posterior synechiae (iris), unspecified eye and any associated comorbidities for accurate reporting.
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