ICD-10 diagnosis code

M84.4 Pathological fracture, not elsewhere classified

This page in Swedish

M84.4 is the ICD-10 code for Pathological fracture, not elsewhere classified. It is a four-character subcategory of M84 (Disorders of continuity of bone), the most specific level in the WHO edition. It belongs to the block M80–M85 (Disorders of bone density and structure) 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 M84.4 includes

Conditions and terms that are coded here.

  • Pathological fracture NOS

What M84.4 excludes

Conditions that look similar but belong under another code.

  • collapsed vertebra NEC M48.5
  • pathological fracture in osteoporosis M80.-

M84.4 in national editions

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

NorwayICD-10-NO

M84.4Patologisk brudd, ikke klassifisert annet sted

  • M84.40Patologisk brudd, ikke klassifisert annet sted, i flere lokalisasjoner
  • M84.41Patologisk brudd, ikke klassifisert annet sted, i skulderregionen
  • M84.42Patologisk brudd, ikke klassifisert annet sted, i overarm eller albueledd
  • M84.43Patologisk brudd, ikke klassifisert annet sted, i underarm eller håndledd
  • M84.44Patologisk brudd, ikke klassifisert annet sted, i hånd
  • M84.45Patologisk brudd, ikke klassifisert annet sted, i bekkenregion eller lår
  • M84.46Patologisk brudd, ikke klassifisert annet sted, i kneledd eller legg
  • M84.47Patologisk brudd, ikke klassifisert annet sted, i ankel eller fot
  • and 2 more national subcodes
DenmarkICD-10-DK

DM844Patologisk fraktur IKA

  • DM844APatologisk fraktur UNS
FinlandICD-10-FI

M84.4Muualla luokittamaton patologinen murtuma

GermanyICD-10-GM

M84.4Pathologische Fraktur, anderenorts nicht klassifiziert

FranceICD-10-FR

M84.4Fracture pathologique, non classée ailleurs

NetherlandsICD-10-NL

M84.4pathologische fractuur, niet elders geclassificeerd

United StatesICD-10-CM

Listed through more specific codes:

  • M84.40XAPathological fracture, unspecified site, initial encounter for fracture
  • M84.40XDPathological fracture, unspecified site, subsequent encounter for fracture with routine healing
  • M84.40XGPathological fracture, unspecified site, subsequent encounter for fracture with delayed healing
  • M84.40XKPathological fracture, unspecified site, subsequent encounter for fracture with nonunion
  • M84.40XPPathological fracture, unspecified site, subsequent encounter for fracture with malunion
  • M84.40XSPathological fracture, unspecified site, sequela
  • M84.411APathological fracture, right shoulder, initial encounter for fracture
  • M84.411DPathological fracture, right shoulder, subsequent encounter for fracture with routine healing
  • and 220 more national subcodes

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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