This code system http://hl7.org/fhir/us/vitals/CodeSystem/APCTemporaryCodeSystem defines the following codes:
| Code | Display | Definition |
| AFAN | After anesthesia | An indication that a procedure, event, or other took place after the administration of anesthesia. |
| BFAN | Before anesthesia | An indication that a procedure, event, or other took place before the administration of anesthesia. |
| DUAN | During anesthesia | An indication that a procedure, event, or other took place during the administration of anesthesia. |
| AFAE | After apneic episode | An indication that a procedure, event, or other took place after an episode of apnea. |
| BFAE | Before apneic episode | An indication that a procedure, event, or other took place before an episode of apnea. |
| DUAE | During apneic episode | An indication that a procedure, event, or other took place during an episode of apnea. |
| AFCV | After cardioversion | An indication that a procedure, event, or other took place after a cardioversion procedure. |
| BFCV | Before cardioversion | An indication that a procedure, event, or other took place just prior to a cardioversion procedure. |
| AFCN | After Condition | An indication that a procedure, event, or other took place after an identified condition. |
| BFCN | Before Condition | An indication that a procedure, event, or other took place before an identified condition. |
| DUCN | During Condition | An indication that a procedure, event, or other took place during an identified condition. |