Where used:
| Class | REFERRAL REQUEST | has an attribute FIRST ATTENDANCE EFFECTIVE WAIT START DATE |
| Data Element | OUT-PATIENT EFFECTIVE WAITS | references in description FIRST ATTENDANCE EFFECTIVE WAIT START DATE |
| Data Element | OUT-PATIENTS WAITING | references in description FIRST ATTENDANCE EFFECTIVE WAIT START DATE |
| Supporting Information | Out-Patient Effective Waiting Time Calculation | references in description FIRST ATTENDANCE EFFECTIVE WAIT START DATE |