Z99
⚠ Non-billable
Dependence on enabling machines and devices, not elsewhere classified
ICD-10-CM · FY2026 · Factors Influencing Health Status
Code
Z99
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Factors Influencing Health Status
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Z99?
ICD-10-CM code Z99 represents Dependence on enabling machines and devices, not elsewhere classified. It is a non-billable header code requiring a more specific subcategory in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.
Is Z99 billable?
No. Z99 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is Z99 in?
Z99 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.
Related codes in the Z99 category
Z99.0
Dependence on aspirator
Billable
Z99.1
Dependence on respirator
Non-billable
Z99.2
Dependence on renal dialysis
Billable
Z99.3
Dependence on wheelchair
Billable
Z99.8
Dependence on other enabling machines and devices
Non-billable
Z99.11
Dependence on respirator [ventilator] status
Billable
Z99.12
Encounter for respirator [ventilator] dependence during power failure
Billable
Z99.81
Dependence on supplemental oxygen
Billable
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