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52 FR 16122, May 1, 1987, unless otherwise noted.
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Nomenclature changes to part 862 appear at 73 FR 35341, June 23, 2008.
(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.