93.90 Non-invasive mechanical ventilation
Bi-level airway pressure
BiPAP without (delivery through) endotracheal tube or tracheostomy
CPAP without (delivery through) endotracheal tube or tracheostomy
Mechanical ventilation NOS
Non-invasive positive pressure (NIPPV)
Non-invasive PPV
NPPV
That delivered by non-invasive interface:
face mask
nasal mask
nasal pillow
oral mouthpiece
oronasal mask
Excludes:
invasive (through endotracheal tube or tracheostomy) continuous mechanical ventilation (96.70-96.72)
Note: Patients admitted on non-invasivemechanical ventilation that subsequently require invasivemechanical ventilation; code both types of mechanical ventilation.