ICD-10-CM › M00-M99 › M80-M85 › M84.36 Stress fracture, tibia and fibula › M84.364

M84.364

Stress fracture, left fibula

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:

  • M84.364A Stress fracture, left fibula, initial encounter for fracture
  • M84.364D Stress fracture, left fibula, subsequent encounter for fracture with routine healing
  • M84.364G Stress fracture, left fibula, subsequent encounter for fracture with delayed healing
  • M84.364K Stress fracture, left fibula, subsequent encounter for fracture with nonunion
  • M84.364P Stress fracture, left fibula, subsequent encounter for fracture with malunion
  • M84.364S Stress fracture, left fibula, 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, left fibula

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
M84.361 Stress fracture, right tibia Not billable
M84.362 Stress fracture, left tibia Not billable
M84.363 Stress fracture, right fibula Not billable
M84.369 Stress fracture, unspecified tibia and fibula Not billable