H42 is the ICD-10 code for Glaucoma in diseases classified elsewhere. It is a three-character category divided into 2 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block H40–H42 (Glaucoma) in Chapter VII, Diseases of the eye and adnexa.
- Code type
- Category (3 characters)
- Chapter
- VII · H00–H59
- Classification
- WHO ICD-10, 2019 version
Subcodes of H42
H42 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
H42Glaukom (grön starr) vid sjukdomar som klassificeras på annan plats
DH42Grøn stær ved sygdomme klassificeret andetsteds
H42Glaukom bei anderenorts klassifizierten Krankheiten
H42Glaucoma in diseases classified elsewhere
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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