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ICD-10 diagnosis code

M65.8 Other synovitis and tenosynovitis

This page in Swedish

M65.8 is the ICD-10 code for Other synovitis and tenosynovitis. 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

What M65.8 includes

Conditions and terms that are coded here.

  • Irritable hip

M65.8 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

M65.8Annan specificerad synovit och tenosynovit

NorwayICD-10-NO

M65.8Annen spesifisert synovitt eller tenosynovitt

  • M65.80Annen spesifisert synovitt eller tenosynovitt i flere lokalisasjoner
  • M65.81Annen spesifisert synovitt eller tenosynovitt i skulderregionen
  • M65.82Annen spesifisert synovitt eller tenosynovitt i overarm
  • M65.83Annen spesifisert synovitt eller tenosynovitt i underarm
  • M65.84Annen spesifisert synovitt eller tenosynovitt i hånd
  • M65.85Annen spesifisert synovitt eller tenosynovitt i bekkenregion eller lår
  • M65.86Annen spesifisert synovitt eller tenosynovitt i legg
  • M65.87Annen spesifisert synovitt eller tenosynovitt i ankel eller fot
  • and 2 more national subcodes
DenmarkICD-10-DK

DM658Anden form for synovitis eller tenosynovitis

  • DM658AAnden form for tenosynovitis
  • DM658BAnden form for synovitis
FinlandICD-10-FI

M65.8Muu nivelkalvon tai jännetupen tulehdus

GermanyICD-10-GM

M65.8Sonstige Synovitis und Tenosynovitis

FranceICD-10-FR

M65.8Autres synovites et ténosynovites

NetherlandsICD-10-NL

M65.8overige gespecificeerde synoviitis en tendovaginitis

United StatesICD-10-CM

Listed through more specific codes:

  • M65.80Other synovitis and tenosynovitis, unspecified site
  • M65.88Other synovitis and tenosynovitis, other site
  • M65.89Other 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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