H21.349
Primary cyst of pars plana, unspecified eye
Clinical Classification Guidelines
Medical Intelligence & Overview
A primary cyst of the pars plana is a fluid-filled sac that develops in a specific region of the eye called the pars plana, which is part of the ciliary body located behind the iris. This condition is generally considered benign and often discovered incidentally during eye examinations. Although many cysts cause no symptoms, understanding this eye condition can help in recognizing potential issues and seeking appropriate care when necessary.
Causes & Symptoms
Clinical Causes: Developmental anomalies during eye formation Degenerative changes related to aging Trauma or injury to the eye Inflammatory processes affecting the pars plana Genetic predispositions or congenital factors
Key Symptoms: Often asymptomatic and discovered during routine eye exams Possible blurry vision if the cyst grows large enough to interfere with vision Feeling of a foreign body or pressure in the eye Rarely, redness or discomfort if associated with inflammation
Diagnostic & Treatment
Diagnosis Path: Slit-lamp examination to visualize the anterior segment and pars plana Ultrasound biomicroscopy (UBM) provides detailed images of the cyst and surrounding structures Optical coherence tomography (OCT), if necessary, to assess the cyst's size and impact on eye tissues Medical history review, including any previous eye injuries or surgeries
Treatment Protocols: Observation and regular follow-up to monitor cyst size and appearance Laser therapy or cryotherapy to reduce cyst size in certain cases Surgical removal if the cyst causes significant visual disturbances or complications Addressing any underlying causes or associated eye conditions
Clinical Advice & FAQs
Billing Guidance
Is H21.349 a billable ICD-10 code?
Yes, H21.349 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report H21.349?
Clinical documentation must specify the nature of Primary cyst of pars plana, unspecified eye and any associated comorbidities for accurate reporting.
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