ICD-10-CM › M00-M99 › M86-M90 › M87.87 Other osteonecrosis, ankle, foot and toes › M87.877

M87.877

Other osteonecrosis, right toe(s)

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.

  1. FY2007 Added to the draft code set draft Other osteonecrosis, 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 M87 Osteonecrosis

Excludes1 - never coded here

  • juvenile osteonecrosis (M91-M92)
  • osteochondropathies (M90-M93)

Use additional code

  • code to identify major osseous defect, if applicable (M89.7-)

Includes

  • avascular necrosis of bone

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.

Codes in the same group

CodeDescriptionStatus
M87.871 Other osteonecrosis, right ankle Valid
M87.872 Other osteonecrosis, left ankle Valid
M87.873 Other osteonecrosis, unspecified ankle Valid
M87.874 Other osteonecrosis, right foot Valid
M87.875 Other osteonecrosis, left foot Valid
M87.876 Other osteonecrosis, unspecified foot Valid
M87.878 Other osteonecrosis, left toe(s) Valid
M87.879 Other osteonecrosis, unspecified toe(s) Valid