ICD-10-CM 2027 diagnosis code
M87.17Osteonecrosis due to drugs, ankle, foot and toes
M87.17 is a header code, so it can't be reported by itself. Choose one of the 9 more specific codes beneath it.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About M87.17
M87.17 is the ICD-10-CM diagnosis code for osteonecrosis due to drugs, ankle, foot and toes. It belongs to category M87 (osteonecrosis), block M86-M90 (other osteopathies) and chapter 13 (diseases of the musculoskeletal system and connective tissue). It is a header code, so it can't be reported by itself; one of its 9 subcodes must be used instead.
Within M87.1 (osteonecrosis due to drugs), M87.17 is specifically for osteonecrosis due to drugs, ankle, foot and toes. Related codes cover unspecified bone (M87.10), shoulder (M87.11), humerus (M87.12), of radius, ulna and carpus (M87.13), hand and fingers (M87.14), pelvis and femur (M87.15), tibia and fibula (M87.16), other site (M87.18) and 1 more.
To report this condition, pick the subcode that matches the documentation: M87.171 (ankle), M87.172 (ankle), M87.173 (ankle), M87.174 (foot), M87.175 (foot), M87.176 (foot), M87.177 (toe(s)), M87.178 (toe(s)) and 1 more.
Use an additional code to identify major osseous defect, if applicable (M89.7-).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Specific codes under M87.17
- M87.171Osteonecrosis due to drugs, right ankleBillable
- M87.172Osteonecrosis due to drugs, left ankleBillable
- M87.173Osteonecrosis due to drugs, unspecified ankleBillable
- M87.174Osteonecrosis due to drugs, right footBillable
- M87.175Osteonecrosis due to drugs, left footBillable
- M87.176Osteonecrosis due to drugs, unspecified footBillable
- M87.177Osteonecrosis due to drugs, right toe(s)Billable
- M87.178Osteonecrosis due to drugs, left toe(s)Billable
- M87.179Osteonecrosis due to drugs, unspecified toe(s)Billable
Notes that apply from higher levels
Instructions written at a parent level also apply to M87.17.
› From M87 Osteonecrosis
Broader instructions also apply from M86-M90 Other osteopathies and Chapter 13: Diseases of the musculoskeletal system and connective tissue.
Alphabetic index entries
3 entriesTerms in the official ICD-10-CM index that lead to M87.17.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about M87.17
Is M87.17 billable?
- No. M87.17 is a header code. Report one of its more specific subcodes instead.