H18.799 – Other corneal deformities, unspecified eye
ICD-10-CM 2027 diagnosis code · Disorders of sclera, cornea, iris and ciliary body
ICD-10-CM code
H18.799
- Code
H18.799(claims format:H18799)- Description
- Other corneal deformities, unspecified eye
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 7. Diseases of the eye and adnexa (H00-H59)
- Block
- H15-H22 Disorders of sclera, cornea, iris and ciliary body
- Parent codes
- H18 › H18.7 › H18.79
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
H18.7 – Other and unspecified corneal deformities
Related codes in H18.79
Frequently asked questions
What is ICD-10 code H18.799?
H18.799 is the ICD-10-CM code for other corneal deformities, unspecified eye, in the block H15-H22 (Disorders of sclera, cornea, iris and ciliary body).
Is H18.799 a billable code?
Yes. H18.799 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does H18.799 belong to?
It belongs to category H18 – Other disorders of cornea.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.