§862.1555. Phenylalanine test system.
21 C.F.R. § 862.1555
Identification. A phenylalanine test system is a device intended to measure free phenylalanine (an amino acid) in serum, plasma, and urine. Measurements of phenylalanine are used in the diagnosis and treatment of congenital phenylketonuria which, if untreated, may cause mental retardation.
Classification. Class II.
Notes, amendments, and revision history
Authority
Authority: 21 U.S.C. 351, 360, 360c, 360e, 360j, 360 l, 371.
Source
Source: 52 FR 16122, May 1, 1987, unless otherwise noted.