M09 is the ICD-10 code for Juvenile arthritis in diseases classified elsewhere. It is a three-character category divided into 4 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block M05–M14 (Inflammatory polyarthropathies) in Chapter XIII, Diseases of the musculoskeletal system and connective tissue.
- Code type
- Category (3 characters)
- Chapter
- XIII · M00–M99
- Classification
- WHO ICD-10, 2019 version
What M09 excludes
Conditions that look similar but belong under another code.
- arthropathy in Whipple disease M14.8
Subcodes of M09
M09 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M09Juvenil artrit vid sjukdomar som klassificeras på annan plats
DM09Leddegigt hos børn ved sygdomme klassificeret andetsteds
M09Juvenile Arthritis bei anderenorts klassifizierten Krankheiten
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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