ICD-10 Code H18.033 – Corneal deposits in metabolic disorders, bilateral (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H18.033 – Corneal deposits in metabolic disorders, bilateral
What it is
This code identifies bilateral corneal deposits caused by an underlying metabolic disorder. Use it when documentation states both corneas are affected by abnormal material accumulation.
Clinical signs
Findings may include visible corneal opacities or deposits on slit-lamp examination. Clinical features vary; refer to documentation for the specific metabolic disorder and laterality.
When to use this code
Use H18.033 when the provider documents corneal deposits in both eyes and links them to a metabolic disorder. It may apply in ophthalmology or systemic disease evaluations when the corneal finding is the coded diagnosis. Confirm that the record specifies bilateral involvement.
Do not use for
Do not use this code for unilateral corneal deposits or for corneal opacities without a documented metabolic cause. Check documentation if the eye laterality or underlying disorder is unclear.
Coding tip
Verify both the metabolic etiology and bilateral laterality before assigning H18.033.