ICD-10-CM diagnosis code
M84.839 Other disorders of continuity of bone, unspecified ulna and radius
- Billable
- Yes, a complete code (FY2026)
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Other codes in M84
928 complete codes in this category.
- M84.822Other disorders of continuity of bone, left humerus
- M84.829Other disorders of continuity of bone, unspecified humerus
- M84.831Other disorders of continuity of bone, right ulna
- M84.832Other disorders of continuity of bone, left ulna
- M84.833Other disorders of continuity of bone, right radius
- M84.834Other disorders of continuity of bone, left radius
- M84.839Other disorders of continuity of bone, unspecified ulna and radius
- M84.841Other disorders of continuity of bone, right hand
- M84.842Other disorders of continuity of bone, left hand
- M84.849Other disorders of continuity of bone, unspecified hand
- M84.851Other disorders of continuity of bone, right pelvic region and thigh
- M84.852Other disorders of continuity of bone, left pelvic region and thigh
Documentation tips
- Make sure the note supports every element of the title, “Other disorders of continuity of bone, unspecified ulna and radius”: 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 M84.
The international WHO ICD-10 also has M84, 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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