Pathological fracture, right humerus

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:

M84.421A Pathological fracture, right humerus, initial encounter for fracture
M84.421D Pathological fracture, right humerus, subsequent encounter for fracture with routine healing
M84.421G Pathological fracture, right humerus, subsequent encounter for fracture with delayed healing
M84.421K Pathological fracture, right humerus, subsequent encounter for fracture with nonunion
M84.421P Pathological fracture, right humerus, subsequent encounter for fracture with malunion
M84.421S Pathological fracture, right humerus, 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.

FY2014 Added to the draft code set draft Pathological fracture, right humerus

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.

Broken > arm
Injury > arm > fracture
Fracture, traumatic > arm > humerus
Fracture, pathological > humerus

Codes in the same group

Code	Description	Status
M84.422	Pathological fracture, left humerus	Not billable
M84.429	Pathological fracture, unspecified humerus	Not billable