H18.00 – Unspecified corneal deposit

ICD-10-CM 2027 diagnosis code · Disorders of sclera, cornea, iris and ciliary body

Non-billable header

ICD-10-CM code H18.00
Code
H18.00 (claims format: H1800)
Description
Unspecified corneal deposit
Billable
No – use a more specific code below
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 › H18.0

Billable codes under H18.00

H18.00 is a header code and cannot be used on claims. Choose the most specific code:

Index terms for H18.00

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in H18.0

Frequently asked questions

What is ICD-10 code H18.00?

H18.00 is the ICD-10-CM code for unspecified corneal deposit, in the block H15-H22 (Disorders of sclera, cornea, iris and ciliary body).

Is H18.00 a billable code?

No. H18.00 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H18.00 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.