COVID Laboratory Testing Investigations
In December 2024, we published an alert highlighting the FDA’s final rule on Laboratory Developed Tests (LDTs) and the compliance countdown to May 2025. The rule, issued in May 2024, sought to phase out the agency’s...more
Laboratory Developed Tests (LDTs) are critical for diagnosing rare diseases and addressing unmet clinical needs. They are developed, manufactured, and used within a single licensed clinical laboratory for purposes of clinical...more
A court has struck down the Food and Drug Administration’s attempt to extend its regulatory authority to clinical laboratory testing services. On March 31, 2025, in the consolidated cases American Clinical Laboratory...more
After many years of anticipation and various congressional and agency proposals, on May 6, the Food and Drug Administration (FDA) published its final rule titled "Medical Devices; Laboratory Developed Tests." The final rule...more
The U.S. Food and Drug Administration (FDA or the Agency) issued a Final Rule on May 6, 2024 (89 FR 37286), that will, over the next four years, radically alter the landscape for laboratory-developed tests (LDTs) and "correct...more
On May 6, 2024, following more than a decade of discourse with interested stakeholders on potential approaches to regulation of laboratory developed tests (LDTs), the U.S. Food and Drug Administration (FDA) published its...more
Our FDA/Food, Drug & Device Team analyzes the practical considerations for adhering to the Food and Drug Administration’s final rule for laboratory-developed tests (LDTs)....more
The U.S. Food and Drug Administration's (FDA) recent announcement of a final rule extending regulatory oversight to laboratory developed tests (LDTs) has sparked controversy. As discussed in a previous Holland & Knight alert,...more
On April 29, 2024, FDA finalized the long-awaited rule to assert authority over the regulation of laboratory developed tests (LDTs) under FDA’s existing regulatory framework for medical devices under the Federal Food, Drug,...more
On October 3, the US Food and Drug Administration (FDA) issued a proposed rule regarding the regulation of in vitro diagnostic products (IVDs). In this proposed rule, the FDA announced its intent to amend its regulations to...more
After years of FDA discussion and failed congressional efforts to assert greater oversight of laboratory developed tests (LDTs), FDA has proposed a rule that would require many LDTs to comply with FDA’s requirements for in...more
On October 3rd, the Food and Drug Administration (FDA) published its widely anticipated proposed rule on the regulation of laboratory developed tests (LDTs). Last year, Congress failed to pass the Verifying Accurate,...more
On September 29, 2023, the US Food and Drug Administration (FDA) published a long-awaited proposed rule on laboratory-developed tests (LDTs). If FDA finalizes this rule as proposed, FDA will regulate virtually all LDTs as...more
On September 29, 2023, the Food & Drug Administration (“FDA” or the “Agency”) published the long-awaited proposed rule on laboratory developed tests (“LDT Proposed Rule”). The proposed rule is open for public comment through...more
On August 19, 2020, the Trump administration made a major announcement that marks the latest development in the ever-evolving saga of the Food and Drug Administration’s (FDA) oversight of laboratory-developed tests (LDTs)....more
The FDA may begin certifying the laboratories that produce lab-developed tests (“LDTs”) instead of drafting regulatory rules to cover the tests themselves....more
Laboratory developed test (LDT) providers, previously exempt from U.S. Food and Drug Administration (FDA) oversight, under a new FDA proposal, must now consider if their LDTs constitute moderate-risk (Class II) or high-risk...more