Z99Header code — not billable
Dependence on enabling machines and devices, not elsewhere classified
Short description: Dependence on enabling machines and devices, NEC
- Chapter
- 21. Factors influencing health status and contact with health services
- Category
- Z99
- Effective date
- October 1, 2026
Related codes in category Z99
Z99.0Dependence on aspiratorYesZ99.1Dependence on respiratorZ99.11Dependence on respirator [ventilator] statusYesZ99.12Encounter for respirator dependence during power failureYesZ99.2Dependence on renal dialysisYesZ99.3Dependence on wheelchairYesZ99.8Dependence on other enabling machines and devicesZ99.81Dependence on supplemental oxygenYesZ99.89Dependence on other enabling machines and devicesYes
Frequently asked questions
What is ICD-10 code Z99?
Z99 is an ICD-10-CM diagnosis code for Dependence on enabling machines and devices, not elsewhere classified.
Is Z99 a billable code?
No. Z99 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is Z99 in?
Z99 falls under Chapter 21: Factors influencing health status and contact with health services.
When did Z99 become effective?
Z99 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Z99?
Z99 belongs to category Z99, which includes 9 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.