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ICD-10 diagnosis code

M65.9 Synovitis and tenosynovitis, unspecified

This page in Swedish

M65.9 is the ICD-10 code for Synovitis and tenosynovitis, unspecified. It is a four-character subcategory of M65 (Synovitis and tenosynovitis), the most specific level in the WHO edition. It belongs to the block M65–M68 (Disorders of synovium and tendon) 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

M65.9 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

M65.9Synovit och tenosynovit, ospecificerad

  • M65.9BOspecifik synovit/tenosynovit i axelled/överarm
  • M65.9COspecifik synovit/tenosynovit i armbåge/underarm
  • M65.9DOspecifik synovit/tenosynovit i handled/hand
  • M65.9FOspecifik synovit/tenosynovit i höftled/lårben
  • M65.9GOspecifik synovit/tenosynovit i knäled/underben
  • M65.9HOspecifik synovit/tenosynovit i fotled/fot
NorwayICD-10-NO

M65.9Uspesifisert synovitt eller tenosynovitt

  • M65.90Uspesifisert synovitt eller tenosynovitt i flere lokalisasjoner
  • M65.91Uspesifisert synovitt eller tenosynovitt i skulderregionen
  • M65.92Uspesifisert synovitt eller tenosynovitt i overarm
  • M65.93Uspesifisert synovitt eller tenosynovitt i underarm
  • M65.94Uspesifisert synovitt eller tenosynovitt i hånd
  • M65.95Uspesifisert synovitt eller tenosynovitt i bekkenregion eller lår
  • M65.96Uspesifisert synovitt eller tenosynovitt i legg
  • M65.97Uspesifisert synovitt eller tenosynovitt i ankel eller fot
  • and 2 more national subcodes
DenmarkICD-10-DK

DM659Synovitis eller tenosynovitis UNS

  • DM659ATenosynovitis UNS
  • DM659BSynovitis UNS
FinlandICD-10-FI

M65.9Määrittämätön nivelkalvon tai jännetupen tulehdus

GermanyICD-10-GM

M65.9Synovitis und Tenosynovitis, nicht näher bezeichnet

FranceICD-10-FR

M65.9Synovite et ténosynovite, sans précision

NetherlandsICD-10-NL

M65.9synoviitis en tendovaginitis, niet-gespecificeerd

United StatesICD-10-CM

Listed through more specific codes:

  • M65.90Unspecified synovitis and tenosynovitis, unspecified site
  • M65.98Unspecified synovitis and tenosynovitis, other site
  • M65.99Unspecified synovitis and tenosynovitis, multiple sites

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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