21 C.F.R. § 862.1240 Cystine test system.
Title 21 - Food and Drugs
(a) Identification. A cystine test system is a device intended to measure the amino acid cystine in urine. Cystine measurements are used in the diagnosis of cystinuria (occurrence of cystine in urine). Patients with cystinuria frequently develop kidney calculi (stones). (b) Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to §862.9. [52 FR 16122, May 1, 1987, as amended at 65 FR 2305, Jan. 14, 2000]
Title 21: Food and Drugs
PART 862—CLINICAL CHEMISTRY AND CLINICAL TOXICOLOGY DEVICES
Subpart B—Clinical Chemistry Test Systems
§ 862.1240 Cystine test system.
