Is H18.5 a billable code?
No. H18.5 is a header code that groups 28 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
H18.5: Hereditary corneal dystrophies
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
H18.5 groups related diagnoses under hereditary corneal dystrophies. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under H18.5
- H18.501Unspecified hereditary corneal dystrophies, right eye
- H18.502Unspecified hereditary corneal dystrophies, left eye
- H18.503Unspecified hereditary corneal dystrophies, bilateral
- H18.509Unspecified hereditary corneal dystrophies, unspecified eye
- H18.511Endothelial corneal dystrophy, right eye
- H18.512Endothelial corneal dystrophy, left eye
- H18.513Endothelial corneal dystrophy, bilateral
- H18.519Endothelial corneal dystrophy, unspecified eye
- H18.521Epithelial (juvenile) corneal dystrophy, right eye
- H18.522Epithelial (juvenile) corneal dystrophy, left eye
- H18.523Epithelial (juvenile) corneal dystrophy, bilateral
- H18.529Epithelial (juvenile) corneal dystrophy, unspecified eye
- H18.531Granular corneal dystrophy, right eye
- H18.532Granular corneal dystrophy, left eye
- H18.533Granular corneal dystrophy, bilateral
- H18.539Granular corneal dystrophy, unspecified eye
- H18.541Lattice corneal dystrophy, right eye
- H18.542Lattice corneal dystrophy, left eye
- H18.543Lattice corneal dystrophy, bilateral
- H18.549Lattice corneal dystrophy, unspecified eye
- H18.551Macular corneal dystrophy, right eye
- H18.552Macular corneal dystrophy, left eye
- H18.553Macular corneal dystrophy, bilateral
- H18.559Macular corneal dystrophy, unspecified eye
- H18.591Other hereditary corneal dystrophies, right eye
- H18.592Other hereditary corneal dystrophies, left eye
- H18.593Other hereditary corneal dystrophies, bilateral
- H18.599Other hereditary corneal dystrophies, unspecified eye
Other codes in H18 Other disorders of cornea
- H18.0Corneal pigmentations and depositsheader
- H18.1Bullous keratopathyheader
- H18.2Other and unspecified corneal edemaheader
- H18.3Changes of corneal membranesheader
- H18.4Corneal degenerationheader
- H18.6Keratoconusheader
- H18.7Other and unspecified corneal deformitiesheader
- H18.8Other specified disorders of corneaheader
- H18.9Unspecified disorder of cornea
H18.5 questions
What does H18.5 mean?
H18.5 is the ICD-10-CM code for Hereditary corneal dystrophies. It is in chapter 7, Diseases of the eye and adnexa (H00-H59).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.