Query NDC VAP no TISS

Only patients who are ventilated in hospital can have a complication dx of VAP.

If a patient has a complication VAP and no TISS28 items Invasive Mechanical Ventilation (TISS Item) (T18) or Spontaneous breathing via ETT or Trach (TISS Item) (T19) then this is an error.

Template:Discussion Why would T19 qualify for a VAP? Ttenbergen 18:31, 2018 August 16 (CDT)

Template:Data Integrity Checks

Implemented as query NDC_VAP_no_TISS.

This doesn't take into account CPAP/BIPAP.