Where used:
| Attribute | CANCELLATION REASON | references in description OPERATING THEATRE SESSION |
| Attribute | HELD OR CANCELLED | has attribute OPERATING THEATRE SESSION |
| Attribute | OPERATING THEATRE SESSION TYPE | references in description OPERATING THEATRE SESSION |
| Attribute | SCHEDULED SESSION DURING OR OUTSIDE | references in description OPERATING THEATRE SESSION |
| Attribute | SCHEDULED THEATRE SESSION START TIME | has attribute OPERATING THEATRE SESSION |
| Attribute | SESSION DATE | references in description OPERATING THEATRE SESSION |
| Attribute | SESSION IDENTIFIER | references in description OPERATING THEATRE SESSION |
| Class | CONSULTANT | references in description OPERATING THEATRE SESSION |
| Class | OPERATING THEATRE | references in description OPERATING THEATRE SESSION |
| Class | PATIENT | references in description OPERATING THEATRE SESSION |
| Class | THEATRE CASE | references in description OPERATING THEATRE SESSION |
| Class | THEATRE SESSION CANCELLATION REASON (deleted) | references in description OPERATING THEATRE SESSION |
| Class | TREATMENT FUNCTION | is associated with OPERATING THEATRE SESSION |
| Diagram | HP180 | displays OPERATING THEATRE SESSION |
| Supporting Information | HP180 | references in description OPERATING THEATRE SESSION |