Osteolysis, lower leg

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 3 more specific codes instead:

M89.561 Osteolysis, right lower leg
M89.562 Osteolysis, left lower leg
M89.569 Osteolysis, unspecified lower leg

What has happened to this code

Every change the publisher made, from 2012 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.

FY2012 Added to the draft code set draft Osteolysis, lower leg

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 the M86-M90 section Other osteopathies (M86-M90)

Excludes1 - never coded here

postprocedural osteopathies (M96.-)

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.

Lesion > osteolytic
Osteolysis > tibia
Osteolysis > fibula

Codes in the same group

Code	Description	Status
M89.50	Osteolysis, unspecified site	Valid
M89.51	Osteolysis, shoulder	Not billable
M89.52	Osteolysis, upper arm	Not billable
M89.53	Osteolysis, forearm	Not billable
M89.54	Osteolysis, hand	Not billable
M89.55	Osteolysis, thigh	Not billable
M89.57	Osteolysis, ankle and foot	Not billable
M89.58	Osteolysis, other site	Valid
M89.59	Osteolysis, multiple sites	Valid