• Include these codes as defined in http://snomed.info/sct

  Code	Display
  398164008	Anesthesia finish time (observable entity)
  419126006	Anesthesia preparation time (observable entity)
  398325003	Anesthesia start time (observable entity)
  442415003	Time of arrival of anesthesia care provider to anesthetizing location (observable entity)
  442335003	Time of establishment of adequate anesthesia (observable entity)
  441765008	Time of induction of anesthesia (observable entity)
  441927008	Time of patient arrival to location for anesthesia (observable entity)
  442336002	Completion time for preparation of patient in procedure room (observable entity)
  442137000	Completion time of procedure (observable entity)
  441869008	Completion time of procedure room cleaning (observable entity)
  398086006	Scheduled case end time (observable entity)
  398020002	Scheduled case start time (observable entity)
  442126001	Start time for preparation of patient in procedure room (observable entity)
  442371002	Start time of procedure (observable entity)
  441868000	Start time of procedure room cleaning (observable entity)
  441774005	Start time of procedure room set up (observable entity)
  442431006	Time of discharge from post anesthesia care unit (observable entity)
  442275008	Time of patient arrival in post anesthesia care location (observable entity)
  442385007	Time of patient arrival in procedure room (observable entity)
  442534000	Time of patient arrival in procedure room holding area (observable entity)
  441969007	Time of patient departure from procedure room (observable entity)
  442272006	Time patient ready for transport (observable entity)
  442370001	Time patient sent for (observable entity)
  442273001	Time procedure room ready for next case (observable entity)
  442463000	Time ready for discharge from post anesthesia care unit (observable entity)

Expansion from tx.fhir.org based on SNOMED CT International edition 01-Feb 2025

This value set contains 25 concepts