1. to bill or charge incorrectly; to send an inaccurate invoice or statement to a customer
Usage: transitive verb; common in business and healthcare contexts

Examples

• The hospital misbilled the patient for services not rendered.
• The company discovered it had misbilled several clients last quarter.
• If you misbill a customer, you risk damaging your business reputation.
• The accounting department was careful not to misbill any invoices.
• We apologize for misbilling your account; a corrected statement will be sent shortly.