H17.821
✓ Billable
Peripheral opacity of cornea, right eye
ICD-10-CM · FY2026 · Diseases of the Eye and Adnexa
Code
H17.821
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Eye and Adnexa
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code H17.821?
ICD-10-CM code H17.821 represents Peripheral opacity of cornea, right eye. It is a billable diagnosis code in the Diseases of the Eye and Adnexa chapter, effective October 1, 2025 – September 30, 2026.
Is H17.821 billable?
Yes. H17.821 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is H17.821 in?
H17.821 belongs to the Diseases of the Eye and Adnexa chapter (H00–H59) of ICD-10-CM.
Related codes in the H17 category
H17
Corneal scars and opacities
Non-billable
H17.0
Adherent leukoma
Non-billable
H17.1
Central corneal opacity
Non-billable
H17.8
Other corneal scars and opacities
Non-billable
H17.9
Unspecified corneal scar and opacity
Billable
H17.00
Adherent leukoma, unspecified eye
Billable
H17.01
Adherent leukoma, right eye
Billable
H17.02
Adherent leukoma, left eye
Billable
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