Medical bills are not really checked by anybody and it's not nearly enough, even if families do. The US Government Accountability Office says that 9 in 10 hospital statements have erroneous data. If that's accurate, then the margin of error is too great.
Whatever the motive is, the inefficiency in the system is a cause for alarm although it is difficult to indicate malice on the section of the hospitals. The onus is on the family to take the time to examine their papers and seek after finding a misplaced entry, medical bills help promptly. For anesthesiology billing, practice management, software solutions you may search online.
The EOB (explanation of benefits) sent by your insurance company in the mail will not say much so you need to demand for an unbundled and itemized statement. In that way, you can keep an eye on all of the processes, lab tests, medications, nurse and room rates, or any syringe they stuck in you. Looking at all the entries will determine if there were erroneous or redundant postings.
When you see a mistake, request a duplicate of the ledger from the hospital's billing department or your medical chart to be sure what your doctor ordered was actually followed by the hospital. It's also in your medical care servicer's interest to review your medical bill to stop their company from overpaying the hospital.
It's also advisable to review the manual to find out your insurance coverage. Cross check the EOB statement by means of your health policy and also make sure all the "covered" processes are paid for.