M87.00
Billable codeIdiopathic aseptic necrosis of unspecified bone
The ICD-10 code for idiopathic aseptic necrosis of unspecified bone is M87.00.
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
- M87.01Idiopathic aseptic necrosis of shouldernon-billable header
- M87.02Idiopathic aseptic necrosis of humerusnon-billable header
- M87.03Idiopathic aseptic necrosis of radius, ulna and carpusnon-billable header
- M87.04Idiopathic aseptic necrosis of hand and fingersnon-billable header
- M87.05Idiopathic aseptic necrosis of pelvis and femurnon-billable header
- M87.06Idiopathic aseptic necrosis of tibia and fibulanon-billable header
- M87.07Idiopathic aseptic necrosis of ankle, foot and toesnon-billable header
- M87.08Idiopathic aseptic necrosis of bone, other site
- M87.09Idiopathic aseptic necrosis of bone, multiple sites
- M87.00Idiopathic aseptic necrosis of 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
M87.00 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.