Cortana may refer to: Cortana (software), Microsoft personal assistant software. Cortana (Halo), a fictional artificial intelligence character. Cortana (gastropod), a gastropod genus. Cortana, or Curtana, a ceremonial sword used in the coronation of British monarchs.
Ask the doctor or hospital. You may get a Medicare Outpatient Observation Notice (MOON) that lets you know if youâre an inpatient or outpatient in a hospital or critical access hospital. You must get this notice if you're getting outpatient observation services for at least 24 hours.
These first six months are known as the length-of-stay demonstration period. After maintaining a Medicare ALOS of 25 days for six months, Landmark Hospital applies to CMS for a change in provider status and receives a LTAC-hospital Medicare provider number.