ICD-10-CM · Chapter 7

H33..1 Retinoschisis and retinal cysts

Non-billable header

← H33 — Retinal detachments and breaks Chapter 7: H00-H59

Excludes 1 (cannot be coded together)

congenital retinoschisis (Q14.1)
microcystoid degeneration of retina (H35.42-)

Last reviewed: September 2026