B30 is the ICD-10 code for Viral conjunctivitis. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block B25–B34 (Other viral diseases) in Chapter I, Certain infectious and parasitic diseases.
- Code type
- Category (3 characters)
- Chapter
- I · A00–B99
- Classification
- WHO ICD-10, 2019 version
What B30 excludes
Conditions that look similar but belong under another code.
Subcodes of B30
B30 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DB30Viral konjunktivitis
B30Viruksen aiheuttama silmän sidekalvotulehdus
B30Viruskonjunktivitis
B30Conjonctivite virale
B30virale conjunctivitis
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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