J01.9 is the ICD-10 code for Acute sinusitis, unspecified. It is a four-character subcategory of J01 (Acute sinusitis), the most specific level in the WHO edition. It belongs to the block J00–J06 (Acute upper respiratory infections) in Chapter X, Diseases of the respiratory system.
- Code type
- Subcategory (4 characters)
- Chapter
- X · J00–J99
- Classification
- WHO ICD-10, 2019 version
J01.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
J01.9Uspesifisert akutt sinusitt
DJ019Akut bihulebetændelse UNS
J01.9Määrittämätön akuutti sivuontelotulehdus
J01.9Akute Sinusitis, nicht näher bezeichnet
J01.9Sinusite aigüe, sans précision
J01.9acute sinusitis, niet-gespecificeerd
Listed through more specific codes:
- J01.90Acute sinusitis, unspecified
- J01.91Acute recurrent sinusitis, unspecified
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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