H33.19

Other retinoschisis and retinal cysts

FY2027Chapter 7: Diseases of the eye and adnexa/H30–H36 Disorders of choroid and retina

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

H33.19 is a non-billable ICD-10-CM code header for other retinoschisis and retinal cysts. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are H33.191 Other retinoschisis and retinal cysts, right eye; H33.192 Other retinoschisis and retinal cysts, left eye; H33.193 Other retinoschisis and retinal cysts, bilateral and H33.199 Other retinoschisis and retinal cysts, unspecified eye. Its coding notes include 3 Excludes1 entries and 11 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from H33.1 Retinoschisis and retinal cysts
  • congenital retinoschisis (Q14.1)
  • microcystoid degeneration of retina (H35.42-)
Inherited from H33 Retinal detachments and breaks

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (11 notes)
Inherited from Chapter 7 Diseases of the eye and adnexa
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury (trauma) of eye and orbit (S05.-)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)

Inclusion terms

Conditions classified to this code.

This code
  • Pseudocyst of retina

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 7 Diseases of the eye and adnexa
  • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 2 entries

More specific codes under H33.19 4