Step 1. A case will be marked operative if the return value of the Obstetric Anesthesia Type Phenotype is not 0. If a case is marked 0, proceed to step 2.
Step 2. A case is marked as non-operative if any of the following is true. Else, mark operative.
- The case lacks any bolus medications AND lacks any intraoperative notes other than anesthesia start/end
- The case has an Anesthesia CPT codes and/or matched procedure text:
||Procedure Text match
"Difficult IV placement"
Exact Text Matching:
"%Emergen% ,Intubation%" , without %tracheostomy%
Exact Text Matching
- ‘Intubation Non-OR/CPR’
- 'Intubation non-or/CPR (Anesthesia Only)'