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
Table 1: Database Indicators for Day of Surgery Cancellations.