ICD-10-CM diagnosis code
Z89.511 Acquired absence of right leg below knee
- Billable
- Yes, a complete code (FY2026)
- Category
- Z89 Acquired absence of limb
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Other codes in Z89
49 complete codes in this category.
- Z89.431Acquired absence of right foot
- Z89.432Acquired absence of left foot
- Z89.439Acquired absence of unspecified foot
- Z89.441Acquired absence of right ankle
- Z89.442Acquired absence of left ankle
- Z89.449Acquired absence of unspecified ankle
- Z89.511Acquired absence of right leg below knee
- Z89.512Acquired absence of left leg below knee
- Z89.519Acquired absence of unspecified leg below knee
- Z89.521Acquired absence of right knee
- Z89.522Acquired absence of left knee
- Z89.529Acquired absence of unspecified knee
Documentation tips
- Make sure the note supports every element of the title, “Acquired absence of right leg below knee”: 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 Z89.
The international WHO ICD-10 also has Z89, 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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