M31.9 is the ICD-10 code for Necrotizing vasculopathy, unspecified. It is a four-character subcategory of M31 (Other necrotizing vasculopathies), the most specific level in the WHO edition. It belongs to the block M30–M36 (Systemic connective tissue disorders) 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
M31.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M31.9Uspesifisert nekrotiserende vaskulitt
DM319Nekrotiserende vaskulitis UNS
M31.9Määrittämätön kuolioita aiheuttava verisuonisairaus
M31.9Nekrotisierende Vaskulopathie, nicht näher bezeichnet
M31.9Vasculopathie nécrosante, sans précision
M31.9necrotiserende vaataandoening, niet-gespecificeerd
M31.9Necrotizing vasculopathy, 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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