---
kind: "section"
citation: "21 C.F.R. § 862.1135"
title: "21"
number: "862.1135"
heading: "C-peptides of proinsulin test system."
url: "https://uscodex.org/cfr/21/862.1135"
---

# §862.1135. C-peptides of proinsulin test system.

- (a) **Identification.** A C-peptides of proinsulin test system is a device intended to measure C-peptides of proinsulin levels in serum, plasma, and urine. Measurements of C-peptides of proinsulin are used in the diagnosis and treatment of patients with abnormal insulin secretion, including diabetes mellitus.
- (b) **Classification.** Class I (general controls). The device is exempt from the premarket notification procedures in [subpart E of part 807](/cfr/21/part807-subpartE.md) of this chapter subject to [§ 862.9](/cfr/21/862.9.md).

## Notes

### Amendments

[52 FR 16122, May 1, 1987, as amended at 65 FR 2305, Jan. 14, 2000]

### 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.

### Amendments

[52 FR 16122, May 1, 1987, as amended at 65 FR 2305, Jan. 14, 2000]