Map which Chapter 8 bases apply, then show the need is daily and can be met only in a SNF (the practical-matter test). This is what a coverage reviewer looks for on a Part A day.
Observation & assessment of an unstable condition
A resolving pneumonia, an oxygen-dependent course, or a tracheostomy carries a reasonable potential for rapid respiratory change; distinguishing improvement from early deterioration requires nursing judgment daily.
Covered skilled procedure
Oxygen management, nasopharyngeal/tracheostomy aspiration, and tracheostomy care are direct skilled services under Chapter 8 when required.
