NPI Atlas

H17.1 – Central corneal opacity

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

Non-billable header

ICD-10-CM code H17.1

Code: H17.1 (claims format: H171)
Description: Central corneal opacity
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: H17

Billable codes under H17.1

H17.1 is a header code and cannot be used on claims. Choose the most specific code:

H17.10 – Central corneal opacity, unspecified eyeBillable
H17.11 – Central corneal opacity, right eyeBillable
H17.12 – Central corneal opacity, left eyeBillable
H17.13 – Central corneal opacity, bilateralBillable

Index terms for H17.1

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

Opacity, opacities, cornea, central

Related codes in H17

H17.0 – Adherent leukomaHeader
H17.8 – Other corneal scars and opacitiesHeader
H17.9 – Unspecified corneal scar and opacityBillable

Frequently asked questions

What is ICD-10 code H17.1?

H17.1 is the ICD-10-CM code for central corneal opacity, in the block H15-H22 (Disorders of sclera, cornea, iris and ciliary body).

Is H17.1 a billable code?

No. H17.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H17.1 belong to?

It belongs to category H17 – Corneal scars and opacities.

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.