---
kind: "section"
citation: "21 C.F.R. § 862.1770"
title: "21"
number: "862.1770"
heading: "Urea nitrogen test system."
url: "https://uscodex.org/cfr/21/862.1770"
---

# §862.1770. Urea nitrogen test system.

- (a) **Identification.** A urea nitrogen test system is a device intended to measure urea nitrogen (an end-product of nitrogen metabolism) in whole blood, serum, plasma, and urine. Measurements obtained by this device are used in the diagnosis and treatment of certain renal and metabolic diseases.
- (b) **Classification.** Class II.

## Notes

### 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.