Chronic dependence on mechanical ventilator

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ICD10 Diagnosis
Dx: Chronic dependence on mechanical ventilator
ICD10 code: Z99.1
Pre-ICD10 counterpart: none assigned
Charlson/ALERT Scale: none
APACHE Como Component: Respiratory
APACHE Acute Component: none
Start Date:
Stop Date:
External ICD10 Documentation

This diagnosis is a part of ICD10 collection.

  • SMW
    • 2019-01-01
    • 2999-12-31
    • Z99.1
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Additional Info

  • Here are the rules for when you can this code:
    1. if patient comes into hospital, from home or from a bed in a CHRONIC care facility and he/she is on the ventilator, then use this code as a Comorbid Diagnosis.
      • if the patient comes to you on a ventilator from any ACUTE care facility (including IICU), do NOT use this code.
    2. if a patient who previously was not on chronic MV leaves the hospital to go to home or to a chronic care facility on a ventilator, use this code as a Acquired Diagnosis / Complication.
      • if the patient leaves on a ventilator to go to another acute care facility (including IICU) and was not on a vent before admission, you do NOT use this code.
    3. If a patient who had some sort of acute respiratory failure and during a continuous episode of hospital care (which could include interhospital transfers), has been on invasive mechanical ventilation for at least 90 days or more, without any planned extubations or unsupported spontaneous breathing during that time, then use chronic dependence on mechanical ventilator as an Acquired Diagnosis / Complication.
  • NOTE: Someone can have this code AND also have acute respiratory event. Example is a person with COPD in Riverview on chronic vent, who develops a superimposed pneumonia with severe hypoxemia. This person should have coded: Chronic dependence on mechanical ventilator and a code for the pneumonia (but
  • Also code cause if known
  • Do NOT use this code for "Failure to wean" (which is not a valid ICD10 diagnosis). Code the type of respiratory failure present, see alternate dxs below.

Alternate ICD10s to consider coding instead or in addition

Candidate Combined ICD10 codes

Related CCI Codes

Conversion from our old diagnosis schema to ICD10/CCI

Might receive data from R Filter Field/LTV; see details on that page.

Data Integrity Checks (automatic list)

 AppStatus
Query check ICD10 chronic vent acute resp failureCCMDB.accdbimplemented

Legacy info

This used to be collected in LTV /R_Filter.

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