H33.1 Retinoschisis and retinal cysts

Non-billable header with 4 child codes.

Excludes1 (never code together)

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

Applies from H33 Retinal detachments and breaks

Excludes1 (never code together)

• detachment of retinal pigment epithelium (H35.72-, H35.73-)

Codes under H33.1

• H33.10 Unspecified retinoschisis
• H33.11 Cyst of ora serrata
• H33.12 Parasitic cyst of retina
• H33.19 Other retinoschisis and retinal cysts

Code annotations containing back-references to H33.1

Back-references to H33

• Use Additional: H44.2C Degenerative myopia with retinal detachment ("code to identify the retinal detachment (H33.-)")

Nearby codes

• H33.05 Total retinal detachment
• H33.051 Total retinal detachment, right eye
• H33.052 Total retinal detachment, left eye
• H33.053 Total retinal detachment, bilateral
• H33.059 Total retinal detachment, unspecified eye
• H33.1 Retinoschisis and retinal cysts (this code)
• H33.10 Unspecified retinoschisis
• H33.101 Unspecified retinoschisis, right eye
• H33.102 Unspecified retinoschisis, left eye
• H33.103 Unspecified retinoschisis, bilateral
• H33.109 Unspecified retinoschisis, unspecified eye