M46.1 is the ICD-10 code for Sacroiliitis, not elsewhere classified. It is a four-character subcategory of M46 (Other inflammatory spondylopathies), the most specific level in the WHO edition. It belongs to the block M45–M49 (Spondylopathies) in Chapter XIII, Diseases of the musculoskeletal system and connective tissue.
- Code type
- Subcategory (4 characters)
- Chapter
- XIII · M00–M99
- Classification
- WHO ICD-10, 2019 version
M46.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M46.1Sakroiliitt, ikke klassifisert annet sted
DM461Sakroiliitis IKA
M46.1Muualla luokittamaton risti-suoliluunivelen tulehdus
M46.1Sakroiliitis, anderenorts nicht klassifiziert
M46.1Sacro-iliite, non classée ailleurs
M46.1sacroïliitis, niet elders geclassificeerd
M46.1Sacroiliitis, not elsewhere classified
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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