ICD-10-CM diagnosis code
M87.029 Idiopathic aseptic necrosis of unspecified humerus
- Billable
- Yes, a complete code (FY2026)
- Category
- M87 Osteonecrosis
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Other codes in M87
217 complete codes in this category.
- M87.00Idiopathic aseptic necrosis of unspecified bone
- M87.011Idiopathic aseptic necrosis of right shoulder
- M87.012Idiopathic aseptic necrosis of left shoulder
- M87.019Idiopathic aseptic necrosis of unspecified shoulder
- M87.021Idiopathic aseptic necrosis of right humerus
- M87.022Idiopathic aseptic necrosis of left humerus
- M87.029Idiopathic aseptic necrosis of unspecified humerus
- M87.031Idiopathic aseptic necrosis of right radius
- M87.032Idiopathic aseptic necrosis of left radius
- M87.033Idiopathic aseptic necrosis of unspecified radius
- M87.034Idiopathic aseptic necrosis of right ulna
- M87.035Idiopathic aseptic necrosis of left ulna
Documentation tips
- Make sure the note supports every element of the title, “Idiopathic aseptic necrosis of unspecified humerus”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to M87.
The international WHO ICD-10 also has M87, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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