H53.042 Amblyopia suspect, left eye

Billable ICD-10-CM code, FY2026.

Applies from H53.0 Amblyopia ex anopsia

Excludes1 (never code together)

• amblyopia due to vitamin A deficiency (E50.5)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 368.8 Other specified visual disturbances (approximate)

Nearby codes

• H53.032 Strabismic amblyopia, left eye
• H53.033 Strabismic amblyopia, bilateral
• H53.039 Strabismic amblyopia, unspecified eye
• H53.04 Amblyopia suspect
• H53.041 Amblyopia suspect, right eye
• H53.042 Amblyopia suspect, left eye (this code)
• H53.043 Amblyopia suspect, bilateral
• H53.049 Amblyopia suspect, unspecified eye
• H53.1 Subjective visual disturbances
• H53.10 Unspecified subjective visual disturbances
• H53.11 Day blindness