H35.121 Retinopathy of prematurity, stage 1, right eye

Billable ICD-10-CM code, FY2026.

Applies from H35 Other retinal disorders

Excludes2 (not included here)

• diabetic retinal disorders (E08.311-E08.359, E09.311-E09.359, E10.311-E10.359, E11.311-E11.359, E13.311-E13.359)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 362.23 Retinopathy of prematurity, stage 1 (approximate)

Nearby codes

• H35.111 Retinopathy of prematurity, stage 0, right eye
• H35.112 Retinopathy of prematurity, stage 0, left eye
• H35.113 Retinopathy of prematurity, stage 0, bilateral
• H35.119 Retinopathy of prematurity, stage 0, unspecified eye
• H35.12 Retinopathy of prematurity, stage 1
• H35.121 Retinopathy of prematurity, stage 1, right eye (this code)
• H35.122 Retinopathy of prematurity, stage 1, left eye
• H35.123 Retinopathy of prematurity, stage 1, bilateral
• H35.129 Retinopathy of prematurity, stage 1, unspecified eye
• H35.13 Retinopathy of prematurity, stage 2
• H35.131 Retinopathy of prematurity, stage 2, right eye