Field Notes
Where duplicate theatre charges usually hide
Duplicate theatre charges rarely announce themselves as identical lines on the same invoice. In day surgery centres we review, they more often arrive as overlapping stories: theatre time billed from the booking system, a second theatre row keyed from the operative note, and an implant packing slip posted again when accounts payable receives a reminder.
What to pull first
Start with episodes that include both an implant and a recovery bay stay. Those files contain the most hand-offs between clinical and finance teams. Compare the operative end time against recovery admission time; gaps under five minutes sometimes indicate a double-count of overlapping minutes.
A practical check
Build a simple cross-tab of claim ID against supplier invoice number. When the same supplier number appears on two claim IDs within seven days for the same patient, open both files before adjusting anything. We have seen legitimate staged procedures; we have also seen copy-paste errors from a busy packing-slip afternoon.
After you find one
Fix the charge master row if the fee description is ambiguous. Train the clerk who posts implants on a one-page checklist. Then sample the next month’s orthopaedic lists only — do not widen to the whole hospital until the pattern is confirmed.