M87.80
Billable codeOther osteonecrosis, unspecified bone
The ICD-10 code for other osteonecrosis, unspecified bone is M87.80.
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.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M87.81Other osteonecrosis, shouldernon-billable header
- M87.82Other osteonecrosis, humerusnon-billable header
- M87.83Other osteonecrosis of radius, ulna and carpusnon-billable header
- M87.84Other osteonecrosis, hand and fingersnon-billable header
- M87.85Other osteonecrosis, pelvis and femurnon-billable header
- M87.86Other osteonecrosis, tibia and fibulanon-billable header
- M87.87Other osteonecrosis, ankle, foot and toesnon-billable header
- M87.88Other osteonecrosis, other site
- M87.89Other osteonecrosis, multiple sites
- M87.80Other osteonecrosis, unspecified bone
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 73340Approximate match
Associated MS-DRGs
M87.80 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.