H33.12

Parasitic cyst of retina

Non-billable header

H33.12 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes (from H33)

  • Note: Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

Excludes1

Not coded here — never report together with this code.

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from H33)
  • certain infectious and parasitic diseases (A00-B99) (from H33)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from H33)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from H33)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-) (from H33)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from H33)
  • injury (trauma) of eye and orbit (S05.-) (from H33)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from H33)
  • neoplasms (C00-D49) (from H33)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from H33)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71) (from H33)

Also known as

  • Cyst, retina, parasitic

Parent code

  • H33.1Retinoschisis and retinal cystsHeader

More specific codes H33.12

  • H33.121Parasitic cyst of retina, right eyeBillable
  • H33.122Parasitic cyst of retina, left eyeBillable
  • H33.123Parasitic cyst of retina, bilateralBillable
  • H33.129Parasitic cyst of retina, unspecified eyeBillable

Related codes

  • H33.10Unspecified retinoschisisHeader
  • H33.11Cyst of ora serrataHeader
  • H33.19Other retinoschisis and retinal cystsHeader

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