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.
Covered skilled procedure
Set-up, monitoring, and troubleshooting of CPAP/BiPAP is a skilled respiratory-device service under Chapter 8 when required.
Observation & assessment of an unstable condition
A sleep-wake change carries a reasonable potential to be an early sign of delirium or decompensation; recognizing it requires nursing judgment.
