M87.379
Billable codeOther secondary osteonecrosis, unspecified toe(s)
The ICD-10 code for other secondary osteonecrosis, unspecified toe(s) is M87.379.
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
- M87.371Other secondary osteonecrosis, right ankle
- M87.372Other secondary osteonecrosis, left ankle
- M87.373Other secondary osteonecrosis, unspecified ankle
- M87.374Other secondary osteonecrosis, right foot
- M87.375Other secondary osteonecrosis, left foot
- M87.376Other secondary osteonecrosis, unspecified foot
- M87.377Other secondary osteonecrosis, right toe(s)
- M87.378Other secondary osteonecrosis, left toe(s)
- M87.379Other secondary osteonecrosis, unspecified toe(s)
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 73349Approximate match
Associated MS-DRGs
M87.379 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.