A silent revolution is taking place in healthcare billing, and it's not a good one. The quiet shift towards overbilling is quietly driving up health costs, and it's time to shine a light on this issue.
According to a recent analysis by Blue Cross Blue Shield, hospitals are increasingly billing for more complex care, a trend that has been on the rise since 2022. This practice, known as 'coding intensity,' is a major contributor to rising healthcare expenses. And here's where it gets controversial: this trend coincides with hospitals' increased use of AI to document patient visits.
While AI can enhance productivity, the diagnoses billed must accurately reflect the patient's condition. However, the top 10% of hospitals in the study sample have been coding complex cases at an alarming rate, with almost 60% of inpatient admissions coded as complex by March 2025. This is a significant jump from the 47% recorded in April 2022. The remaining 90% of hospitals also saw an increase, but at a much slower pace.
For instance, coding intensity in maternity care resulted in an additional $22 million in spending over the study period. Admissions for postpartum anemia, often treated with transfusions, saw an increase in claims, but interestingly, the transfusion claim rates remained virtually unchanged in hospitals with the highest coding intensity growth. This raises questions about the accuracy of the billed diagnoses.
The American Hospital Association (AHA) acknowledges the increasing complexity of inpatient admissions, attributing it to the shift of less intense care to outpatient settings. However, AHA's vice president, Aaron Wesolowski, highlights that this shift naturally leads to higher-acuity care in inpatient settings.
But here's the twist: health insurers are not immune to criticism either. Insurers like UnitedHealth Group and Cigna have faced lawsuits for allegedly using AI algorithms to deny patient claims. This two-way street of AI usage in healthcare billing and claim evaluation is a complex issue that demands attention.
The analysis concludes that if this dynamic continues, it will accelerate hospital spending and further strain affordability for employers, families, and health plans. So, the question remains: how can we ensure accurate billing practices without compromising patient care? Let's discuss and explore potential solutions in the comments below.
