ICD-10-CM › M00-M99 › M80-M85 › M84.37 Stress fracture, ankle, foot and toes › M84.377

M84.377

Stress fracture, right 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:

  • M84.377A Stress fracture, right toe(s), initial encounter for fracture
  • M84.377D Stress fracture, right toe(s), subsequent encounter for fracture with routine healing
  • M84.377G Stress fracture, right toe(s), subsequent encounter for fracture with delayed healing
  • M84.377K Stress fracture, right toe(s), subsequent encounter for fracture with nonunion
  • M84.377P Stress fracture, right toe(s), subsequent encounter for fracture with malunion
  • M84.377S Stress fracture, right 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 Stress fracture, right 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
M84.371 Stress fracture, right ankle Not billable
M84.372 Stress fracture, left ankle Not billable
M84.373 Stress fracture, unspecified ankle Not billable
M84.374 Stress fracture, right foot Not billable
M84.375 Stress fracture, left foot Not billable
M84.376 Stress fracture, unspecified foot Not billable
M84.378 Stress fracture, left toe(s) Not billable
M84.379 Stress fracture, unspecified toe(s) Not billable