M87.176
Billable codeOsteonecrosis due to drugs, unspecified foot
The ICD-10 code for osteonecrosis due to drugs, unspecified foot is M87.176.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M87.171Osteonecrosis due to drugs, right ankle
- M87.172Osteonecrosis due to drugs, left ankle
- M87.173Osteonecrosis due to drugs, unspecified ankle
- M87.174Osteonecrosis due to drugs, right foot
- M87.175Osteonecrosis due to drugs, left foot
- M87.177Osteonecrosis due to drugs, right toe(s)
- M87.178Osteonecrosis due to drugs, left toe(s)
- M87.179Osteonecrosis due to drugs, unspecified toe(s)
- M87.176Osteonecrosis due to drugs, unspecified foot
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 73344Approximate match
Associated MS-DRGs
M87.176 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.