Pathological fracture, unspecified site, subsequent encounter for fracture with nonunion

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 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.

FY2007 Added to the draft code set draft Pathological fracture, unspecified site, subsequent encounter for fracture with nonunion

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

Codes in the same group

Code	Description	Status
M84.40XA	Pathological fracture, unspecified site, initial encounter for fracture	Valid
M84.40XD	Pathological fracture, unspecified site, subsequent encounter for fracture with routine healing	Valid
M84.40XG	Pathological fracture, unspecified site, subsequent encounter for fracture with delayed healing	Valid
M84.40XP	Pathological fracture, unspecified site, subsequent encounter for fracture with malunion	Valid
M84.40XS	Pathological fracture, unspecified site, sequela	Valid