ICD-10-CM › M00-M99 › M80-M85 › M84.47 Pathological fracture, ankle, foot and toes › M84.479

M84.479

Pathological fracture, unspecified toe(s)

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 6 more specific codes instead:

  • M84.479A Pathological fracture, unspecified toe(s), initial encounter for fracture
  • M84.479D Pathological fracture, unspecified toe(s), subsequent encounter for fracture with routine healing
  • M84.479G Pathological fracture, unspecified toe(s), subsequent encounter for fracture with delayed healing
  • M84.479K Pathological fracture, unspecified toe(s), subsequent encounter for fracture with nonunion
  • M84.479P Pathological fracture, unspecified toe(s), subsequent encounter for fracture with malunion
  • M84.479S Pathological fracture, unspecified toe(s), sequela

What has happened to this code

Every change the publisher made, from 2014 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2014 Added to the draft code set draft Pathological fracture, unspecified toe(s)

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from M84 Disorder of continuity of bone

Excludes2 - not included here

  • traumatic fracture of bone-see fracture, by site

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
M84.471 Pathological fracture, right ankle Not billable
M84.472 Pathological fracture, left ankle Not billable
M84.473 Pathological fracture, unspecified ankle Not billable
M84.474 Pathological fracture, right foot Not billable
M84.475 Pathological fracture, left foot Not billable
M84.476 Pathological fracture, unspecified foot Not billable
M84.477 Pathological fracture, right toe(s) Not billable
M84.478 Pathological fracture, left toe(s) Not billable