ICD-10-CM · Chapter 21 · Z00-Z99
Z99 Dependence on enabling machines and devices, not elsewhere classified
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| Z99..0 | Dependence on aspirator | Yes |
| Z99..1 | Dependence on respirator | No |
| Z99..11 | Dependence on respirator [ventilator] status | Yes |
| Z99..12 | Encounter for respirator [ventilator] dependence during power failure | Yes |
| Z99..2 | Dependence on renal dialysis | Yes |
| Z99..3 | Dependence on wheelchair | Yes |
| Z99..8 | Dependence on other enabling machines and devices | No |
| Z99..81 | Dependence on supplemental oxygen | Yes |
| Z99..89 | Dependence on other enabling machines and devices | Yes |
Last reviewed: September 2026