A silent revolution is taking place in healthcare billing, and it's not a positive one. The quiet shift towards overbilling is driving up costs and raising concerns about the ethics of healthcare practices.
According to a recent analysis by Blue Cross Blue Shield, hospitals are increasingly billing for more complex care, a trend that has been linked to the use of AI in patient documentation. This so-called 'coding intensity' is a controversial topic, as it directly impacts healthcare spending and patient care.
But here's where it gets controversial: While AI can enhance productivity, the diagnoses billed must accurately reflect the patient's condition. An analysis by Blue Health Intelligence, an independent licensee of BCBS, highlights this issue. The study found that the top 10% of hospitals in their sample were responsible for most of the increase in complex care billing.
By March 2025, almost 60% of inpatient admissions that could be coded as complex were done so at these facilities, a significant jump from about 47% in April 2022. The remaining 90% of hospitals saw a more modest increase of around 4 percentage points over the same period.
And this is the part most people miss: The impact of this billing shift is far-reaching. For instance, coding intensity contributed to an additional $22 million in spending on maternity care during the study period. Admissions for postpartum anemia, often treated with transfusions, saw an increase of over 8 percentage points in hospitals with high coding intensity growth. However, these hospitals did not see a corresponding increase in transfusion claim rates, raising questions about the accuracy of the billed diagnoses.
The American Hospital Association (AHA) acknowledges the increasing complexity of inpatient admissions, attributing it partly to the shift of less intense care to outpatient settings. Aaron Wesolowski, AHA's vice president of research strategy and policy communications, said, "This is a positive development for patients, but it means the care provided in inpatient and outpatient settings is naturally of higher acuity."
However, the issue doesn't end there. Health insurers themselves have faced scrutiny for using AI to evaluate claims. UnitedHealth Group and Cigna are facing lawsuits over their alleged use of algorithms to deny patient claims, adding another layer of complexity to this ethical dilemma.
The bottom line: If this billing trend continues, it will accelerate hospital spending and make healthcare less affordable for employers, families, and health plans. This quiet shift has the potential to significantly impact the healthcare landscape, and it's a topic that deserves further discussion and scrutiny. What are your thoughts on this billing practice? Do you think it's an ethical concern, or is it a necessary adaptation to the evolving healthcare landscape? We'd love to hear your opinions in the comments!