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ICD-10 diagnosis code

M13.9 Arthritis, unspecified

This page in Swedish

M13.9 is the ICD-10 code for Arthritis, unspecified. It is a four-character subcategory of M13 (Other arthritis), the most specific level in the WHO edition. It belongs to the block M05–M14 (Inflammatory polyarthropathies) 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

M13.9 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

M13.9Artrit, ospecificerad

NorwayICD-10-NO

M13.9Uspesifisert artritt

  • M13.90Uspesifisert artritt i flere lokalisasjoner
  • M13.91Uspesifisert artritt i skulderregionen
  • M13.92Uspesifisert artritt i albue
  • M13.93Uspesifisert artritt i håndledd
  • M13.94Uspesifisert artritt i ledd mellom knokler i hånd
  • M13.95Uspesifisert artritt i hofteledd eller sakroiliakalledd
  • M13.96Uspesifisert artritt i kneledd
  • M13.97Uspesifisert artritt i ankel eller ledd mellom knokler i fot
  • and 2 more national subcodes
DenmarkICD-10-DK

DM139Artritis UNS

FinlandICD-10-FI

M13.9Määrittämätön niveltulehdus

GermanyICD-10-GM

M13.9Arthritis, nicht näher bezeichnet

FranceICD-10-FR

M13.9Arthrite, sans précision

NetherlandsICD-10-NL

M13.9artritis, niet-gespecificeerd

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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