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ICD-10 diagnosis code

M85.0 Fibrous dysplasia (monostotic)

This page in Swedish

M85.0 is the ICD-10 code for Fibrous dysplasia (monostotic). It is a four-character subcategory of M85 (Other disorders of bone density and structure), 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 M85.0 excludes

Conditions that look similar but belong under another code.

  • fibrous dysplasia of jaw K10.8

M85.0 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

M85.0Fibrös (monostotisk) dysplasi

  • M85.0BFibrös dysplasi i axelled/överarm
  • M85.0CFibrös dysplasi i armbåge/underarm
  • M85.0DFibrös dysplasi i handled/hand
  • M85.0EFibrös dysplasi i bäckenet
  • M85.0FFibrös dysplasi i höftled/lårben
  • M85.0GFibrös dysplasi i knäled/underben
  • M85.0HFibrös dysplasi i fotled/fot
NorwayICD-10-NO

M85.0Fibrøs dysplasi

  • M85.00Fibrøs dysplasi i flere lokalisasjoner
  • M85.01Fibrøs dysplasi i skulderregionen
  • M85.02Fibrøs dysplasi i overarm
  • M85.03Fibrøs dysplasi i underarm
  • M85.04Fibrøs dysplasi i hånd
  • M85.05Fibrøs dysplasi i bekkenregion eller lår
  • M85.06Fibrøs dysplasi i legg
  • M85.07Fibrøs dysplasi i ankel eller fot
  • and 2 more national subcodes
DenmarkICD-10-DK

DM850Fibrøs monostotisk dysplasi

FinlandICD-10-FI

M85.0Yhden luun fibroottinen dysplasia

GermanyICD-10-GM

M85.0Fibröse Dysplasie (monostotisch)

FranceICD-10-FR

M85.0Dysplasie fibreuse (localisée)

NetherlandsICD-10-NL

M85.0fibreuze dysplasie (monostotisch)

United StatesICD-10-CM

Listed through more specific codes:

  • M85.00Fibrous dysplasia (monostotic), unspecified site
  • M85.08Fibrous dysplasia (monostotic), other site
  • M85.09Fibrous dysplasia (monostotic), 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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