H18.9 is the ICD-10 code for Disorder of cornea, unspecified. It is a four-character subcategory of H18 (Other disorders of cornea), the most specific level in the WHO edition. It belongs to the block H15–H22 (Disorders of sclera, cornea, iris and ciliary body) in Chapter VII, Diseases of the eye and adnexa.
- Code type
- Subcategory (4 characters)
- Chapter
- VII · H00–H59
- Classification
- WHO ICD-10, 2019 version
H18.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
H18.9Uspesifisert tilstand i hornhinne
DH189Sygdom i hornhinde UNS
H18.9Määrittämätön sarveiskalvon sairaus
H18.9Affektion der Hornhaut, nicht näher bezeichnet
H18.9Affection de la cornée, sans précision
H18.9aandoening van cornea, niet-gespecificeerd
H18.9Unspecified disorder of cornea
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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