---
kind: "section"
citation: "21 C.F.R. § 890.1850"
title: "21"
number: "890.1850"
heading: "Diagnostic muscle stimulator."
url: "https://uscodex.org/cfr/21/890.1850"
---

# §890.1850. Diagnostic muscle stimulator.

- (a) **Identification.** A diagnostic muscle stimulator is a device used mainly with an electromyograph machine to initiate muscle activity. It is intended for medical purposes, such as to diagnose motor nerve or sensory neuromuscular disorders and neuromuscular function.
- (b) **Classification.** Class II (performance standards).

## Notes

### Authority

Authority: 21 U.S.C. 351, 360, 360c, 360e, 360j, 360 l, 371.

### Source

Source: 48 FR 53047, Nov. 23, 1983, unless otherwise noted.