| Test results - incomplete follow-up of pre-op |
| Medical Evaluation - Incomplete Pre-op |
| Antibodies discovered on day of surgery |
| Equipment failure |
| Required implants not available |
| Financial authorization incomplete |
| Outside records/reports not available |
| No transportation post procedure |
| No beds available |
| No show |
| Patient arrived ill to MCH |
| Patient cancelled (self) |
| Patient's medical condition changed |
| Patient's surgical condition changed |
| Further work-up required |
| Other |
