Multiple Studies Raise Questions About Reliability of Clinical Laboratory COVID-19 Diagnostic Tests

In the absence of a “gold standard,” researchers are finding a high frequency of false negatives among SARS-CoV-2 RT-PCR tests Serology tests designed to detect antibodies to the SARS-CoV-2 coronavirus that causes the COVID-19 illness have been dogged by well-publicized questions about accuracy. However, researchers also are raising concerns about the accuracy of molecular diagnostics which claim to detect the actual presence of the coronavirus itself. “Diagnostic tests, typically involving a...

‘Low-Value’ Medical Lab Tests and Other Overused Medical Procedures Led to $282-Million in ‘Wasted’ Healthcare Spending in Washington State in One Year, Washington Health Alliance Reports

Just eleven common tests and procedures blamed for 93% of low-value services and 89% of wasted spending Overuse of medical laboratory tests and diagnostic procedures has been a long-standing issue among pathologists and other healthcare providers. Now a Washington State healthcare watchdog organization has put a $282-million price tag on the cost of what it calls “wasteful” spending for “low-value” clinical laboratory tests and other procedures in a single year. A study by the nonprofit...
;