Skip to main content
BillArmor
BillArmor
Back to Blog
Patient RightsMarch 10, 202410 min read

Top 7 Common Medical Billing Errors to Look For in 2024

Are you being overcharged for your healthcare? Discover the most frequent mistakes found in hospital audits this year and how to spot them using CPT code verification.

Key Takeaways

  • 80% of medical bills contain errors.
  • Upcoding can triple the cost of an ER visit.
  • Duplicate charges for nursing care are common.
  • Use automated audit tools to find hidden CPT violations.

Why Billing Errors are Rising in 2024

Healthcare billing systems are more automated than ever, yet errors remain at an all-time high. As hospital systems merge and software becomes more complex, the chance of a coding error appearing on your bill has increased.

For the average patient, a medical bill is a 'black box.' You see a total, but you have no idea what it represents. In 2024, understanding these 7 common errors is the best way to protect your wallet.

1. Upcoding: The 'Premium' Charge for Basic Care

Upcoding occurs when a hospital uses a CPT code for a higher-level service than what was provided. This is extremely common in Emergency Room visits.

ER visits are coded from Level 1 (lowest) to Level 5 (highest). Many hospitals automatically code any visit that includes an IV or multiple tests as a Level 4 or 5, even if the actual physician time was minimal. Spotting this requires comparing your medical record with the CPT code definitions.

2. Duplicate Billing (The 'Double-Dip')

This is the simplest error to spot but also the most frequent. A patient might be billed twice for the same medication, the same blood draw, or the same room charge. Because bills are often dozens of pages long, these duplicates can easily go unnoticed.

What to look for: The exact same CPT code and description appearing more than once on the same date.

3. Unbundling (Fragmented Billing)

Medicare and insurance companies have 'bundled' payments for certain procedures. For example, a single surgery code might include the incision, the procedure itself, and the closing of the wound.

'Unbundling' is when a hospital bills for each of those steps separately. This is a direct violation of professional coding standards and can add thousands of dollars to a bill.

4. Canceled Service Charges

In the chaos of a hospital stay, doctors often order several tests that are later canceled once a diagnosis is found. However, the order remains in the billing system. If the lab technician doesn't properly remove the charge, the patient ends up paying for a test that was never performed.

5. Mistaken Patient Identities

If two patients with similar names are in the hospital at the same time, it’s remarkably easy for the billing department to mix up their charges. One patient might have a simple surgery while the other has complex heart monitoring—if the files get crossed, the simple-case patient gets the heart-billing.

6. Operating Room (OR) Time Errors

OR time is usually billed in 15-minute increments. Hospitals sometimes round up excessively or start the clock before the patient even enters the suite. If you had surgery, check the 'Anesthesia Record' for the exact time you were in the operating room and compare it to the billed minutes.

7. Pharmacy Markups for Self-Administered Meds

Many hospitals bill for routine medications like Tylenol at $20 to $50 per pill. More importantly, they sometimes bill for medications that you brought from home and administered yourself. You should never be billed for medicines the hospital didn't provide.

How to Audit Your Bill Automatically

Auditng a 50-page medical bill manually is nearly impossible for most people. That’s why we built BillArmor. Our platform uses AI trained on CMS fee schedules and NCCI bundling rules to scan your bill for these 7 errors in seconds.

Don't pay for mistakes. Audit your bill before you pay a single cent.

Don't Overpay for Healthcare

If this article helped you identify potential errors, let our CMS-certified engine scan your bill for free. Most audits are completed in 60 seconds.

Upload Your Bill
BS

Written by BillArmor Editorial Team

Our team of medical coders and patient advocates works to ensure you have the most accurate information on healthcare billing rights.