ICD-10-CM category
Z99 Dependence on enabling machines and devices, not elsewhere classified
Z99 is a category, not a billable code. Report one of the 7 complete codes below.
Codes in Z99
- Z99.0Dependence on aspirator
- Z99.11Dependence on respirator [ventilator] status
- Z99.12Encounter for respirator [ventilator] dependence during power failure
- Z99.2Dependence on renal dialysis
- Z99.3Dependence on wheelchair
- Z99.81Dependence on supplemental oxygen
- Z99.89Dependence on other enabling machines and devices
Outside the US? Z99 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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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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