Docdemic

ICD-10 diagnosis code

M66.1 Rupture of synovium

This page in Swedish

M66.1 is the ICD-10 code for Rupture of synovium. It is a four-character subcategory of M66 (Spontaneous rupture of synovium and tendon), 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 M66.1 includes

Conditions and terms that are coded here.

  • Rupture of synovial cyst

What M66.1 excludes

Conditions that look similar but belong under another code.

  • rupture of popliteal cyst M66.0

M66.1 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

M66.1Ruptur av synovialmembrancysta

NorwayICD-10-NO

M66.1Ruptur i synovialhinne

  • M66.10Ruptur i synovialhinne i flere lokalisasjoner
  • M66.11Ruptur i synovialhinne i skulderregionen
  • M66.12Ruptur i synovialhinne i overarm
  • M66.13Ruptur i synovialhinne i underarm
  • M66.14Ruptur i synovialhinne i hånd
  • M66.15Ruptur i synovialhinne i bekkenregion eller lår
  • M66.16Ruptur i synovialhinne i legg
  • M66.17Ruptur i synovialhinne i ankel eller fot
  • and 2 more national subcodes
DenmarkICD-10-DK

DM661Spontan synovialisruptur

  • DM661ARuptura cystis synovialis UNS
FinlandICD-10-FI

M66.1Nivelkalvon repeytymä

GermanyICD-10-GM

M66.1Ruptur der Synovialis

FranceICD-10-FR

M66.1Déchirure de la synoviale

NetherlandsICD-10-NL

M66.1ruptuur van synovium

United StatesICD-10-CM

Listed through more specific codes:

  • M66.10Rupture of synovium, unspecified joint
  • M66.18Rupture of synovium, 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.

Look up another code

Stop looking codes up by hand

Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.

Try Docdemic free