Medicolegal Issues

Is there liability if you don’t test for BRCA?

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Was there liability in our example case?

The hypothetical case provided above suggests that there could be liability. Routine medical history by the primary care physician would have produced the fact that the patient’s mother, sister, and maternal grandmother had breast cancer. That would clearly have put her in a category of those who should have received genetic testing. Yet, she was not tested until after her cancer was found. From the limited facts we have, it appears that this timeline of events would have been outside accepted practice—and negligent. The case was not pursued by the patient, however, and this may represent the current state of liability for BRCA issues.

The extent of liability seems to be significant

Our discussion of liability suggests that there is significant potential for BRCA testing negligence within practice, and that the damages in these cases could be substantial. Yet the predicted “tsunami” of malpractice lawsuits related to genetic testing has not appeared.36,37 One study of cases in the United States (through 2016) found a “slowly rising tide” of liability cases instead of a tsunami,24 as the number of claims made was low. On the other hand, the payments where damages were awarded were an order of magnitude larger than other malpractice cases—a mean of $5.3 million and median of $2 million. This is compared with mean values in the range of $275,000 to $600,000 in other areas of malpractice.

The majority of the genetic malpractice cases involve prenatal and newborn testing, and diagnosis/susceptibility/pharmacogenomic accounting for about 25% of cases. In terms of type of errors claimed, approximately 50% were diagnostic-interpretation errors, 30% failure to offer testing, nearly 20% failure to return test results to the patients, and a few remaining cases of failure to properly treat in light of genetic testing.24

Despite a few very large payments, however, the fact remains that there is a surprisingly low number of genetics malpractice cases. Gary Marchant and colleagues suggest that several reasons may account for this:

  • the clinical implementation of genetic science has been slower than expected
  • the lack of expertise of many physicians in genetic science
  • expert witnesses have sometimes been hard to find
  • the lack of understanding by plaintiffs’ attorneys of genetic malpractice
  • potential plaintiffs’ lack of understanding of the nature of genetic testing and the harms resulting from genetic negligence.17,24,37

The tide is slowly coming in

By all appearances, there is every reason to think that genetic malpractice will be increasing, and that the recent past of much higher damages per claim paid in the genetics area will be part of that tide. The National Human Genome Research LawSeq project has suggested a number of useful ways of dealing with the liability issues.18 In addition to the BRCA issues that we have considered in this article for ObGyns, there are other critical issues of prenatal and newborn genetic testing.38 But those are topics for another day. ●

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