21 CFR 862.1455: Lecithin/sphingomyelin ratio in amniotic fluid test system.
Where this section sits in the code
- Title 21—Food and Drugs
- CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES
- SUBCHAPTER H—MEDICAL DEVICES
- PART 862—CLINICAL CHEMISTRY AND CLINICAL TOXICOLOGY DEVICES
- Subpart B—Clinical Chemistry Test Systems
(a) Identification. A lecithin/sphingomyelin ratio in amniotic fluid test system is a device intended to measure the lecithin/sphingomyelin ratio in amniotic fluid. Lecithin and sphingomyelin are phospholipids (fats or fat-like substances containing phosphorus). Measurements of the lecithin/sphingomyelin ratio in amniotic fluid are used in evaluating fetal maturity.
(b) Classification. Class II.
Collected 2026-08-27T02:24:47Z. Source file · JSON