H54.42A4 Blindness left eye category 4, normal vision right eye

Billable ICD-10-CM code, FY2026.

Applies from H54 Blindness and low vision

Excludes1 (never code together)

• amaurosis fugax (G45.3)

Code first

• any associated underlying cause of the blindness

Notes

• For definition of visual impairment categories see table below

Applies from H54.4 Blindness, one eye

Applicable to

• Visual impairment categories 3, 4, 5 in one eye [normal vision in other eye]

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 369.65 One eye: near-total vision impairment; other eye: near-normal vision (approximate)
• 369.66 One eye: near-total vision impairment; other eye: normal vision (approximate)

Code annotations containing back-references to H54.42A4

Back-references to H54.4

• Type 1 Excludes: H54.8 Legal blindness, as defined in USA ("legal blindness with specification of impairment level (H54.0-H54.7)")

Back-references to H54

• Use Additional: S04.0 Injury of optic nerve and pathways ("code to identify any visual field defect or blindness (H53.4-, H54.-)")

Nearby codes

• H54.415 Blindness, right eye, category 5
• H54.415A Blindness right eye category 5, normal vision left eye
• H54.42 Blindness, left eye, normal vision right eye
• H54.42A Blindness, left eye, category 3-5
• H54.42A3 Blindness left eye category 3, normal vision right eye
• H54.42A4 Blindness left eye category 4, normal vision right eye (this code)
• H54.42A5 Blindness left eye category 5, normal vision right eye
• H54.5 Low vision, one eye
• H54.50 Low vision, one eye, unspecified eye
• H54.51 Low vision, right eye, normal vision left eye
• H54.511 Low vision, right eye, category 1