H18.21

Corneal edema secondary to contact lens

Non-billable header

H18.21 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes (from H18)

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

Excludes2

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

  • other corneal disorders due to contact lens (H18.82-)
  • certain conditions originating in the perinatal period (P04-P96) (from H18)
  • certain infectious and parasitic diseases (A00-B99) (from H18)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from H18)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from H18)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-) (from H18)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from H18)
  • injury (trauma) of eye and orbit (S05.-) (from H18)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from H18)
  • neoplasms (C00-D49) (from H18)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from H18)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71) (from H18)

Also known as

  • Edema, edematous, cornea, secondary, due to contact lens

Parent code

  • H18.2Other and unspecified corneal edemaHeader

More specific codes H18.21

  • H18.211Corneal edema secondary to contact lens, right eyeBillable
  • H18.212Corneal edema secondary to contact lens, left eyeBillable
  • H18.213Corneal edema secondary to contact lens, bilateralBillable
  • H18.219Corneal edema secondary to contact lens, unspecified eyeBillable

Related codes

  • H18.20Unspecified corneal edemaBillable
  • H18.22Idiopathic corneal edemaHeader
  • H18.23Secondary corneal edemaHeader

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