Lab Soft News

Time 2020-11-01 12:04:30

Web Name: Lab Soft News

WebSite: http://labsoftnews.typepad.com

ID:101429

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We are still far from the development of an organized, rational lab testing strategy for COVID-19 sat the national level. Whatever plan that exists today is marked by a lack of federal coordination and divisive political messaging. This mix of confusion and contradictory messages continues with the two major for-profit national reference labs, Quest and LabCorp, now offering COVID-19 antibody testing directly to consumers (see: Quest s new service lets customers request COVID-19 antibody test). Below are the details:Quest Diagnostics announced that it will be offering a “consumer initiated” COVID-19 antibody test for $119. Dubbed Quest Direct, the service will let consumers request the antibody test through an online platform. Once the request is initiated it is sent to a licensed physician, who greenlights the testing order. Patients can then go to a Quest service center to get their blood drawn, and get results within one to two days via an online portal. Patients can also tap into telehealth services to discuss their results with a doctor. The antibody testing will be based on tests from Abbott and EUROIMMUN....According to Quest, Abbott reports a 99.4% specificity for its antibody test, and EUROIMMUN AG is reporting a 98.5% to 99% specificity. The tests will be specifically aimed at testing for COVID-19 antibodies, which means the test is not meant to be used to determine whether or not a person is positive for the virus....The other issue is that test results could be positive if a person was once infected with the virus but is no longer ill, according to the agency. Quest specifies this test is not intended for those who feel sick or who have tested positive for the coronavirus within seven days.This initiative by Quest and LabCorp (see: Quest, LabCorp launch nationwide COVID-19 antibody testing in pharmacies and online) strikes me as disingenuous for the following reasons:I am sure that many Americans don t understand the difference between testing for the COVID-19 viral antigen which is diagnostic for the disease as opposed to testing for an antibody to the virus which only indicates prior exposure. Despite the accurate description of the test in the excerpt above, I am sure that many of the consumers who order the test think that it provides them with some actionable information.Here is a description of one of the shortcomings of COVID-19 antibody test which calls into question the performance of the test on anyone except for clearly defined sets of individuals such as healthcare workers (see: (see: Q A on COVID-19 Antibody Tests)): “These tests are just looking for the presence of antibodies that are able to recognize SARS-CoV-2,” said Lisa Gralinski, a virologist who studies human coronaviruses at the University of North Carolina at Chapel Hill. “They’re not telling us anything about the quality of those antibodies, so we don’t know if they’re neutralizing.”....This is one reason why health experts have been cautious about making sweeping claims that antibody tests can necessarily identify those who are immune, even if scientists think it’s highly likely that a person with antibodies will have at least partial immunity for some period of time.This announcement from Quest defines this option as a consumer-initiated test that requires approval of one s PCP and for whom, I think, the rationale for ordering the test is weak. It s unknown at this time to what extent the presence of a measurable antibody titer indicates protection from the disease (see: Antibody tests were supposed to help guide US reopening plans. They ve brought more confusion than clarity amid coronavirus). I have the hunch, unfortunately, that most physicians will go along with their patients desire for the test. One of the few positive aspects of the Covid19 pandemic is that healthcare consumers are increasing turning to their digital devices for access to health services such as virtual visits with their personal physicians or filling prescriptions. I have been blogging about lab test ordering on the web, direct access testing (DAT), for about 15 years (see: Reinventing Direct Access Testing (DAT)) The die now seems to be cast regarding far greater engagement by consumers in digital health initiatives (see: What Is Digital Health and How Does a Health System Get There?).Walgreens, as part of this digital healthcare movement, is trying to establish itself as a digital marketplace to direct and refer consumers to a variety of healthcare services with its Find Care app (see: Walgreens Introduces New Digital Marketplace Featuring 17 Leading Health Care Providers). This web-based business referral model has a long history. Angie s List, for example, provides consumer referrals, prompted by reviews of local tradespeople for home repairs. And, of course, posting reviews for various consumer products is a mainstay of web commerce. Most people would not buy products on the web without reading posted reviews deemed to be reliable. Walgreens...[has] introduced Find Care Now, a digital platform and marketplace that helps connect the company’s millions of mobile and online visitors to health care services at Walgreens stores and to a growing selection of recognized providers in the community. The company is working closely with a current list of 17 participating providers as part of the effort, further enhancing Walgreens omnichannel role as a convenient and trusted neighborhood health care destination. Find Care Now makes it easier for customers to navigate and search for local and digital health care services, with offerings in certain markets as varied as neighborhood health care clinics, urgent care, telehealth, lab testing, physician second opinions, and even physician house calls and optical and hearing services in select markets.....These include physicians or nurse practitioners at urgent care centers co-located at Walgreens drugstores, or at Walgreens stores that offer Healthcare Clinic or other provider retail clinic services. Other specialist offerings include behavioral health therapists, optometrists, dermatologists, hearing care professionals and diagnostic lab services in certain markets. In general, I find this idea of a medical digital marketplace appealing but I am not particularly impressed with the Walgreens execution of the idea. Walgreens current web site is interesting as to what services are offered but it s an amateurish web design. Lab testing is one of the services being offered through LabCorp but it s not clear how test orders are executed absent a physician order which is required in about half the states. More importantly, there are no reviews of the linked services on Find Care which many consumers may have come to expect. However, consumer-generated reviews may be difficult to generate for healthcare services and, beyond that, may not be viewed as particularly reliable. However, watch for other variations of such medical web marketplaces to emerge with more sophisticated design and options.

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