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ICD-10 diagnosis code

M25.4 Effusion of joint

This page in Swedish

M25.4 is the ICD-10 code for Effusion of joint. It is a four-character subcategory of M25 (Other joint disorders, not elsewhere classified), the most specific level in the WHO edition. It belongs to the block M20–M25 (Other joint 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

What M25.4 excludes

Conditions that look similar but belong under another code.

  • hydrarthrosis of yaws A66.6

M25.4 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

M25.4Ledutgjutning

  • M25.4BLedutgjutning i axelled
  • M25.4CLedutgjutning i armbågsled
  • M25.4DLedutgjutning i handled/hand
  • M25.4FLedutgjutning i höftled
  • M25.4GLedutgjutning i knäled
  • M25.4HLedutgjutning i fotled/fot
NorwayICD-10-NO

M25.4Væskeansamling i ledd

  • M25.40Væskeansamling i ledd i flere lokalisasjoner
  • M25.41Væskeansamling i ledd i skulderregionen
  • M25.42Væskeansamling i albueledd
  • M25.43Væskeansamling i håndledd
  • M25.44Væskeansamling i ledd mellom knokler i hånd
  • M25.45Væskeansamlingt i hofteledd eller sakroiliakaledd
  • M25.46Væskeansamling i kneledd
  • M25.47Væskeansamling i ankelledd eller ledd mellom knokler i fot
  • and 2 more national subcodes
DenmarkICD-10-DK

DM254Væskeansamling i led

FinlandICD-10-FI

M25.4Hydrartroosi

GermanyICD-10-GM

M25.4Gelenkerguss

FranceICD-10-FR

M25.4Épanchement articulaire

NetherlandsICD-10-NL

M25.4vochtophoping in gewricht

United StatesICD-10-CM

Listed through more specific codes:

  • M25.40Effusion, unspecified joint
  • M25.48Effusion, other site

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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