Other disorders of cornea
Non-billable header
H18 is a non-billable header code. Use one of the more specific codes below.
Inclusion terms
Includes
- 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.
- 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)
More specific codes H18
- H18.0Corneal pigmentations and depositsHeader
- H18.1Bullous keratopathyHeader
- H18.2Other and unspecified corneal edemaHeader
- H18.3Changes of corneal membranesHeader
- H18.4Corneal degenerationHeader
- H18.5Hereditary corneal dystrophiesHeader
- H18.6KeratoconusHeader
- H18.7Other and unspecified corneal deformitiesHeader
- H18.8Other specified disorders of corneaHeader
- H18.9Unspecified disorder of corneaBillable