H35.09 Other intraretinal microvascular abnormalities

Billable ICD-10-CM code, FY2026.

Applicable to

• Retinal varices

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)

• 362.17 Other intraretinal microvascular abnormalities

Code annotations containing back-references to H35.09

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 H35.09

• Disorder (of) › retina › microvascular abnormality NEC
• Varix (lower limb) › retina

Nearby codes

• H35.07 Retinal telangiectasis
• H35.071 Retinal telangiectasis, right eye
• H35.072 Retinal telangiectasis, left eye
• H35.073 Retinal telangiectasis, bilateral
• H35.079 Retinal telangiectasis, unspecified eye
• H35.09 Other intraretinal microvascular abnormalities (this code)
• H35.1 Retinopathy of prematurity
• H35.10 Retinopathy of prematurity, unspecified
• H35.101 Retinopathy of prematurity, unspecified, right eye
• H35.102 Retinopathy of prematurity, unspecified, left eye
• H35.103 Retinopathy of prematurity, unspecified, bilateral