ICD-10-CM Billable Code

H21.273

Miotic pupillary cyst, bilateral

Clinical Classification Guidelines

Medical Intelligence & Overview

A miotic pupillary cyst is a small, fluid-filled sac that forms in the iris—the colored part of your eye—near the pupil. When these cysts occur on both eyes, they are referred to as bilateral. While often harmless, understanding this condition helps patients recognize symptoms and seek appropriate eye care.

Causes & Symptoms

Clinical Causes: Congenital development: Some individuals are born with these cysts due to developmental anomalies in the iris. Trauma or injury: Past injuries to the eye can sometimes lead to cyst formation. Inflammation: Chronic or recent inflammation within the eye may stimulate cyst development. Underlying eye conditions: Certain eye diseases or conditions might contribute to cyst formation. Unknown factors: In some cases, the cause remains unclear despite thorough investigation.

Key Symptoms: Visible small, round, or oval cysts near the pupil, typically detectable during an eye examination. In some cases, the cysts do not cause noticeable symptoms and are found incidentally. Rarely, if cysts grow large, they may interfere with vision or cause discomfort. Possible mild visual disturbances if the cysts are large or located near the center of the iris.

Diagnostic & Treatment

Diagnosis Path: Diagnosis usually involves a comprehensive eye examination by an ophthalmologist, which includes slit-lamp biomicroscopy to observe the cysts' size, shape, and location. In certain cases, additional imaging tests like ultrasound biomicroscopy (UBM) may be used to gain detailed insight into cyst structure and positioning.

Treatment Protocols: Many bilateral pupillary cysts are benign and may not require treatment. However, if the cysts cause visual impairment or discomfort, options include: - Observation: Regular monitoring if they are not affecting vision. - Surgical removal: Procedures like needle aspiration or minimally invasive surgeries to remove larger or problematic cysts. - Laser treatment: Laser therapy might be used to reduce cyst size or eradicate them. Consultation with an eye care specialist is essential to determine the most appropriate management plan based on individual circumstances.

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is H21.273 a billable ICD-10 code?
Yes, H21.273 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report H21.273?
Clinical documentation must specify the nature of Miotic pupillary cyst, bilateral and any associated comorbidities for accurate reporting.

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