2026 ICD-10-CM Diagnosis Code Z99Dependence on enabling machines and devices, not elsewhere classified

ICD-10-CM Codes›Z00–Z99›Z77-Z99›Z99

ICD-10-CM Z99
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z99 is a non-billable ICD-10-CM category code for dependence on enabling machines and devices, not elsewhere classified, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z99.0, Z99.11, Z99.12, and Z99.2.

Code Identity

ICD-10-CM Code
Z99
Billable Status
No — Non-Billable Category
Code Describes
Dependence on enabling machines and devices, not elsewhere classified
Chapter
Z77-Z99
Persons with potential health hazards related to family and personal history and certain conditions influencing health status

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status
CategoryZ99Dependence on enabling machines and devices, not elsewhere classified
This CodeZ99Dependence on enabling machines and devices, not elsewhere classified

Specific Coding for Dependence on enabling machines and devices, NECOverview

Non-specific codes like Z99 require more characters. Use one of these billable codes instead:

  • Use Z99.0 for Dependence on aspirator

  • Z99.1 for Dependence on respirator

  • Use Z99.11 for Dependence on respirator [ventilator] status

  • Use Z99.12 for Encounter for respirator [ventilator] dependence during power failure

  • Use Z99.2 for Dependence on renal dialysis

  • Use Z99.3 for Dependence on wheelchair

  • Z99.8 for Dependence on other enabling machines and devices

  • Use Z99.81 for Dependence on supplemental oxygen

  • Use Z99.89 for Dependence on other enabling machines and devices

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z99Overview

Is Z99 a billable code?

No. This is a category header that groups the codes for dependence on enabling machines and devices, not elsewhere classified, and headers cannot be submitted on claims. Claims for dependence on enabling machines and devices, not elsewhere classified need a more specific code from this category, such as Z99.0, Z99.11, and Z99.12.