Bill-auditing AI has crossed from anecdote to pattern. The documented case of $163,000 in recoverable charges found in a $195,000 emergency bill — identified within minutes using Claude — is not a fluke; it is the logical output of feeding structured CPT code data to a system that can cross-reference at speed. The technology is performing exactly as intended. The more uncomfortable observation is that the errors it finds are endemic enough to make bill-auditing a product category, not a one-off service. Duplicate charges and upcoded procedures are not accidents…