H40.6 is the ICD-10 code for Glaucoma secondary to drugs. It is a four-character subcategory of H40 (Glaucoma), the most specific level in the WHO edition. It belongs to the block H40–H42 (Glaucoma) in Chapter VII, Diseases of the eye and adnexa.
- Code type
- Subcategory (4 characters)
- Chapter
- VII · H00–H59
- Classification
- WHO ICD-10, 2019 version
Coding notes
- Use additional external cause code (Chapter XX), if desired, to identify drug.
H40.6 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
H40.6Glaukom etter legemiddelbruk
DH406Glaukom forårsaget af lægemiddel
H40.6Glaukom (sekundär) nach Arzneimittelverabreichung
H40.6Glaucome médicamenteux
H40.6secundair glaucoom, ten gevolge van geneesmiddelengebruik
Listed through more specific codes:
- H40.60X0Glaucoma secondary to drugs, unspecified eye, stage unspecified
- H40.60X1Glaucoma secondary to drugs, unspecified eye, mild stage
- H40.60X2Glaucoma secondary to drugs, unspecified eye, moderate stage
- H40.60X3Glaucoma secondary to drugs, unspecified eye, severe stage
- H40.60X4Glaucoma secondary to drugs, unspecified eye, indeterminate stage
- H40.61X0Glaucoma secondary to drugs, right eye, stage unspecified
- H40.61X1Glaucoma secondary to drugs, right eye, mild stage
- H40.61X2Glaucoma secondary to drugs, right eye, moderate stage
- and 12 more national subcodes
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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