H18.421 Band keratopathy, right eye
Instructional Notes:
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H18.421
Description: Band keratopathy, right eye
↓
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H18.42
Description: Band keratopathy
↓
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H18.4
Description: Corneal degeneration
Exclude1:
- Mooren's ulcer (H16.0-)
- recurrent erosion of cornea (H18.83-)
↓
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H18
Description: Other disorders of cornea
↓
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H15-H22
Description: Disorders of sclera, cornea, iris and ciliary body (H15-H22)
↓
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H00-H59
Description: Diseases of the eye and adnexa
Exclude2:
- 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)
Notes:
- Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition