H21.332
Parasitic cyst of iris, ciliary body or anterior chamber, left eye
Clinical Classification Guidelines
Medical Intelligence & Overview
A parasitic cyst of the eye, specifically involving the iris, ciliary body, or anterior chamber, is a rare condition caused by parasitic infection leading to cyst formation. This condition affects the structures within the eye on the left side, potentially impacting vision and eye health. Recognizing this condition involves understanding its causes, symptoms, diagnosis methods, and available treatments.
Causes & Symptoms
Clinical Causes: Infection by parasitic organisms such as cysticercosis (Taenia solium), toxoplasmosis, echinococcosis, or other parasites capable of forming cysts within ocular tissues. Transmission typically occurs through ingestion of food or water contaminated with parasite eggs or larvae. Migration of the parasite from other parts of the body to the eye can lead to cyst formation. There may be a history of exposure to endemic regions where certain parasitic infections are prevalent.
Key Symptoms: Visual disturbances such as blurred vision or decreased clarity in the affected eye. Presence of a visible cyst or mass in the anterior chamber, iris, or ciliary body. Floating spots or halos around lights. Eye redness, swelling, or irritation. Pain or discomfort in some cases. Increased sensitivity to light (photophobia). Potential secondary complications like glaucoma if the cyst obstructs fluid flow within the eye.
Diagnostic & Treatment
Diagnosis Path: Diagnosing a parasitic cyst of the eye involves a combination of clinical examination and imaging studies. An ophthalmologist may perform the following:
Treatment Protocols: Management of a parasitic cyst in the eye depends on its size, location, symptoms, and potential complications. Treatment options include:
Clinical Advice & FAQs
Billing Guidance
Is H21.332 a billable ICD-10 code?
Yes, H21.332 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report H21.332?
Clinical documentation must specify the nature of Parasitic cyst of iris, ciliary body or anterior chamber, left eye and any associated comorbidities for accurate reporting.
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