H35.00 Unspecified background retinopathy

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)

Applies from H35.0 Background retinopathy and retinal vascular changes

Code also

• any associated hypertension (I10)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 362.10 Background retinopathy, unspecified

Code annotations containing back-references to H35.00

Back-references to H35.0

• Type 1 Excludes: H36 Retinal disorders in diseases classified elsewhere ("arteriosclerotic retinopathy (H35.0-)")
• Type 2 Excludes: I10 Essential (primary) hypertension ("essential (primary) hypertension involving vessels of eye (H35.0-)")
• Type 2 Excludes: I15 Secondary hypertension ("secondary hypertension involving vessels of eye (H35.0-)")
• Type 2 Excludes: I72 Other aneurysm ("retinal aneurysm (H35.0)")
• Type 2 Excludes: I86 Varicose veins of other sites ("retinal varices (H35.0-)")

Diagnosis Index entries for H35.00

• Retinopathy (background)
• Sclerosis, sclerotic › retina (senile) (vascular)

Nearby codes

• H35 Other retinal disorders
• H35.0 Background retinopathy and retinal vascular changes
• H35.00 Unspecified background retinopathy (this code)
• H35.01 Changes in retinal vascular appearance
• H35.011 Changes in retinal vascular appearance, right eye
• H35.012 Changes in retinal vascular appearance, left eye
• H35.013 Changes in retinal vascular appearance, bilateral
• H35.019 Changes in retinal vascular appearance, unspecified eye