H18.03 – Corneal deposits in metabolic disorders

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

Non-billable header

ICD-10-CM code H18.03

Code: H18.03 (claims format: H1803)
Description: Corneal deposits in metabolic disorders
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 H18.03

H18.03 is a header code and cannot be used on claims. Choose the most specific code:

Notes for H18.03

Code also:

associated metabolic disorder

Index terms for H18.03

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

Deposit, cornea, due to metabolic disorder

Related codes in H18.0

H18.00 – Unspecified corneal depositHeader
H18.01 – Anterior corneal pigmentationsHeader
H18.02 – Argentous corneal depositsHeader
H18.04 – Kayser-Fleischer ringHeader
H18.05 – Posterior corneal pigmentationsHeader
H18.06 – Stromal corneal pigmentationsHeader

Frequently asked questions

What is ICD-10 code H18.03?

H18.03 is the ICD-10-CM code for corneal deposits in metabolic disorders, in the block H15-H22 (Disorders of sclera, cornea, iris and ciliary body).

Is H18.03 a billable code?

No. H18.03 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H18.03 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.