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ICD-10-CM · FY 2026 APRIL UPDATE

H18

Other disorders of cornea

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
H18.0Corneal pigmentations and depositsCategory
H18.00Unspecified corneal depositCategory
H18.001Unspecified corneal deposit, right eyeBillable
H18.002Unspecified corneal deposit, left eyeBillable
H18.003Unspecified corneal deposit, bilateralBillable
H18.009Unspecified corneal deposit, unspecified eyeBillable
H18.01Anterior corneal pigmentationsCategory
H18.011Anterior corneal pigmentations, right eyeBillable
H18.012Anterior corneal pigmentations, left eyeBillable
H18.013Anterior corneal pigmentations, bilateralBillable
H18.019Anterior corneal pigmentations, unspecified eyeBillable
H18.02Argentous corneal depositsCategory
H18.021Argentous corneal deposits, right eyeBillable
H18.022Argentous corneal deposits, left eyeBillable
H18.023Argentous corneal deposits, bilateralBillable
H18.029Argentous corneal deposits, unspecified eyeBillable
H18.03Corneal deposits in metabolic disordersCategory
H18.031Corneal deposits in metabolic disorders, right eyeBillable
H18.032Corneal deposits in metabolic disorders, left eyeBillable
H18.033Corneal deposits in metabolic disorders, bilateralBillable
H18.039Corneal deposits in metabolic disorders, unspecified eyeBillable
H18.04Kayser-Fleischer ringCategory
H18.041Kayser-Fleischer ring, right eyeBillable
H18.042Kayser-Fleischer ring, left eyeBillable
H18.043Kayser-Fleischer ring, bilateralBillable
H18.049Kayser-Fleischer ring, unspecified eyeBillable
H18.05Posterior corneal pigmentationsCategory
H18.051Posterior corneal pigmentations, right eyeBillable
H18.052Posterior corneal pigmentations, left eyeBillable
H18.053Posterior corneal pigmentations, bilateralBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.