The US Court of Appeals for the Eighth Circuit today issued a decision affirming a district court’s grant of summary judgment against a False Claims Act (FCA) relator in United States ex rel. Donegan v. Anesthesia Associates of Kansas City, PC, on which we previously posted. The case involved a dispute over whether a regulation required an anesthesiologist to be present in the operating room when the patient “emerges” from anesthesia, and the district court had granted summary judgment on the grounds that the defendant had reasonably interpreted the regulation as not requiring presence in the operating room. The district court’s decision was important because it made clear that the defendant’s interpretation of an ambiguous regulation need not be the “most reasonable” interpretation.

The Eighth Circuit agreed with the district court, holding that the relator could not establish scienter because the regulation was ambiguous, and that the defendant’s interpretation was objectively reasonable. The court held:

Here, the question is whether AAKC’s reasonable interpretation of the ambiguous regulation precludes a finding that it knowingly submitted false or fraudulent claims, even if CMS or a reviewing court would interpret the regulation differently. Relator simply failed to submit evidence refuting AAKC’s strong showing that its interpretation was objectively reasonable. Relator’s experts expressed their opinions that emergence as referred to in Step Three should end before an AAKC patient is transferred to the PACU. But Relator’s contention that the Medicare regulations be interpreted in this fashion is a claim of regulatory noncompliance, not an FCA claim of knowing fraud. (internal citations and quotations omitted)

This result underscores the fact that an FCA case based on alleged noncompliance with a regulation that is subject to multiple, reasonable interpretations can be a risky endeavor for a relator.