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.
Reader Questions: Observation POS Is Always Outpatient. Question: A pediatrician admitted and discharged a patient to observation status for 12 hours in the emergency department. We reported the service as 99235 with a place-of-service (POS) code 23. The carrier told us to use 22 instead.