H17.821 Peripheral opacity of cornea, right eye

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 371.02 Peripheral opacity of cornea (approximate)

Code annotations containing back-references to H17.821

Back-references to H17

• Use Additional: L51 Erythema multiforme ("corneal scars and opacities (H17.-)")

Nearby codes

• H17.811 Minor opacity of cornea, right eye
• H17.812 Minor opacity of cornea, left eye
• H17.813 Minor opacity of cornea, bilateral
• H17.819 Minor opacity of cornea, unspecified eye
• H17.82 Peripheral opacity of cornea
• H17.821 Peripheral opacity of cornea, right eye (this code)
• H17.822 Peripheral opacity of cornea, left eye
• H17.823 Peripheral opacity of cornea, bilateral
• H17.829 Peripheral opacity of cornea, unspecified eye
• H17.89 Other corneal scars and opacities
• H17.9 Unspecified corneal scar and opacity