{"data":{"id":"us/21-cfr-862.1542","jurisdiction":"us","citation":"21 CFR 862.1542","heading":"Oxalate test system.","body":"(a) Identification. An oxalate test system is a device intended to measure the concentration of oxalate in urine. Measurements of oxalate are used to aid in the diagnosis or treatment of urinary stones or certain other metabolic disorders.\n(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.","path":["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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"4231be881420c7d0ecdc5031f8e4d1fa034fd8b5e5c211612aae11b92526e654","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-862.1540","next":"us/21-cfr-862.1545"},"notice":"GroundRules: Original legal text. Not legal advice."}