Z99.11 — Dependence on respirator [ventilator] status
Z99.11 is a billable, specific ICD-10-CM code for dependence on respirator [ventilator] status. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Ventilator status
Risk adjustment
Z99.11 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 211 Respirator Dependence/Tracheostomy Status/Complications0.879 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
Z99.11 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
- A57224Billing and Coding: Respiratory Care
How Z99.11 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z99.11.
- Status›ventilator
- Dependence›on›respirator
- Dependence›on›ventilator
Related codes at this level
Codes that share Z99.1. If Z99.11 is not quite right, the correct code is usually one of these.
Questions about Z99.11
- Is Z99.11 a billable ICD-10-CM code?
- Yes. Z99.11 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Z99.11 sit in the tabular list?
- Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).