ICD-10-CM › M00-M99 › M86-M90 › M87.8 Other osteonecrosis › M87.87
Other osteonecrosis, ankle, foot and toes
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 9 more specific codes instead:
- M87.871 Other osteonecrosis, right ankle
- M87.872 Other osteonecrosis, left ankle
- M87.873 Other osteonecrosis, unspecified ankle
- M87.874 Other osteonecrosis, right foot
- M87.875 Other osteonecrosis, left foot
- M87.876 Other osteonecrosis, unspecified foot
- M87.877 Other osteonecrosis, right toe(s)
- M87.878 Other osteonecrosis, left toe(s)
- M87.879 Other osteonecrosis, unspecified toe(s)
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 Other osteonecrosis, ankle, foot and toes
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.
- Necrosis, necrotic > bone
- Necrosis, necrotic > vertebra
- Necrosis, necrotic > spine, spinal
- Necrosis, necrotic > hip, aseptic or avascular
- Necrosis, necrotic > bone > aseptic or avascular
- Osteonecrosis > specified type NEC > toe
- Osteonecrosis > specified type NEC > tarsus
- Osteonecrosis > specified type NEC > metatarsus
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M87.80 | Other osteonecrosis, unspecified bone | Valid |
| M87.81 | Other osteonecrosis, shoulder | Not billable |
| M87.82 | Other osteonecrosis, humerus | Not billable |
| M87.83 | Other osteonecrosis of radius, ulna and carpus | Not billable |
| M87.84 | Other osteonecrosis, hand and fingers | Not billable |
| M87.85 | Other osteonecrosis, pelvis and femur | Not billable |
| M87.86 | Other osteonecrosis, tibia and fibula | Not billable |
| M87.88 | Other osteonecrosis, other site | Valid |
| M87.89 | Other osteonecrosis, multiple sites | Valid |