JD Supra

Laboratory-Developed Tests (LDTs) Do Not Qualify as ‘Devices’ Under the Food, Drug and Cosmetic Act

On March 31, 2025, in the U.S. District Court for the Eastern District of Texas vacated the Food and Drug Administration’s (FDA) final rule, in which FDA attempted to assert regulatory authority over ...
Becker's Hospital Review

FDA wants to crack down on lab-developed tests: 3 things to know

The Food and Drug Administration aims next year to toughen up regulations on the lab-developed testing industry, according to an article in The Wall Street Journal. Here are three things to know about ...
RAPS

FDA Delays Finalization of Lab-Developed Test Draft Guidance

The US Food and Drug Administration (FDA) on Friday said it will wait for the new administration and halt the finalization of guidance that would have changed the way lab-developed tests (LDTs) are ...
MobiHealthNews

Texas judge strikes down FDA rule on lab-developed tests regulation

A federal judge in Texas ruled that the FDA overstepped its authority when it issued its Final Rule: Medical Devices; Laboratory Developed Tests in May of last year, which said laboratory-developed ...
Healthcare Dive

FDA’s lab developed test rule could be first check on agency’s power post-Chevron

The recent landmark U.S. Supreme Court decision to overturn the Chevron doctrine could open the door to more challenges of Food and Drug Administration regulations, including the agency’s ...
The National Law Review

In Landmark Ruling, Eastern District of Texas Strikes Down FDA’s Final Rule Regulating Laboratory Developed Tests

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...
JD Supra

FDA to rescind laboratory developed test rule

The U.S. Food and Drug Administration (FDA) plans to rescind its laboratory developed test (LDT) rule dated May 6, 2024. The rule would have regulated LDTs as in vitro diagnostic products (IVDs) and ...
The National Law Review

Texas Court Vacates FDA’s Laboratory Developed Test (LDT) Final Rule

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...
RAPS

Hamburg: Lab-Developed Tests to be Subject to Heightened Scrutiny under New Framework

For years, the US Food and Drug Administration (FDA) has provided leeway to a sub-category of diagnostic tests known as laboratory-developed tests, or simply LDTs. But according to FDA Commissioner ...
Becker's Hospital Review

HHS reinstates FDA review of lab-developed COVID-19 tests

HHS is withdrawing a 2020 policy that limited the FDA’s review process of certain lab tests, including some COVID-19 tests, the agency said Nov. 15. The policy was originally put in place to help labs ...
Labroots

Optimizing Laboratory-Developed LC-MS/MS Tests: Proper Use of Internal Standards - Insights from Two Troubleshooting Case Studies

Stable isotope-labeled internal standards are widely used in laboratory-developed clinical mass spectrometry tests. An equal amount of these internal standards is added to all samples in a batch, ...