ICD-10-CM Billable Code

H18.43

Other calcerous corneal degeneration

Clinical Classification Guidelines

Medical Intelligence & Overview

Other calcified corneal degeneration, classified under ICD-10 code H18.43, is a condition characterized by the abnormal buildup of calcium deposits within the layers of the cornea. The cornea is the transparent front part of the eye that helps focus light onto the retina. When calcium accumulates, it can impair vision and lead to corneal scarring. This condition is relatively uncommon and can affect individuals of various ages, typically presenting in cases with underlying ocular or systemic issues.

Causes & Symptoms

Clinical Causes: Previous ocular trauma or injury Chronic inflammation of the eye (keratitis, uveitis) Degenerative changes related to aging Presence of systemic conditions such as hypercalcemia Corneal dystrophies or metabolic disorders Long-term use of certain medications or topical eye drops

Key Symptoms: Blurred or cloudy vision Presence of whitish or chalky deposits on the cornea Transient or persistent eye discomfort Increased sensitivity to light (photophobia) Decreased visual acuity over time Hardness or raised areas on the corneal surface if deposits are extensive

Diagnostic & Treatment

Diagnosis Path: Diagnosis involves a comprehensive eye examination, including slit-lamp biomicroscopy to observe calcium deposits on the cornea. Additional diagnostic tools may involve corneal imaging and studies to rule out other corneal pathologies. A detailed medical history can help identify underlying systemic conditions or past ocular injuries contributing to the calcification process.

Treatment Protocols: Management strategies depend on the severity and extent of corneal calcification. Mild cases may only require regular monitoring. Advanced cases causing significant visual impairment may necessitate interventions such as removal of calcium deposits through specialized surgical procedures like keratectomy or corneal transplantation. Addressing underlying causes, such as correcting metabolic imbalances, is also crucial in preventing progression. Eye care professionals may recommend protective measures to minimize further ocular damage.

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 H18.43 a billable ICD-10 code?
Yes, H18.43 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report H18.43?
Clinical documentation must specify the nature of Other calcerous corneal degeneration and any associated comorbidities for accurate reporting.

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