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H35.42

⚠ Non-billable (Header)

Microcystoid degeneration of retina

Diseases of the eye and adnexa (H00-H59)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited from H35.4

Rules from parent category H35.4: Peripheral retinal degeneration

  • • hereditary retinal degeneration (dystrophy) (H35.5-)

⚠️ Excludes2

inherited from H35.4

Rules from parent category H35.4: Peripheral retinal degeneration

  • • peripheral retinal degeneration with retinal break (H33.3-)

Child Codes (4)

H35.421Microcystoid degeneration of retina, right eyeH35.422Microcystoid degeneration of retina, left eyeH35.423Microcystoid degeneration of retina, bilateralH35.429Microcystoid degeneration of retina, unspecified eye

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Code Information

CodeH35.42
BillableNo — Header code
ParentH35.4
CategoryDiseases of the eye and adnexa (H00-H59)
Excludes11 rule(s)
Excludes21 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)