---
kind: "section"
citation: "21 C.F.R. § 880.2900"
title: "21"
number: "880.2900"
heading: "Clinical color change thermometer."
url: "https://uscodex.org/cfr/21/880.2900"
---

# §880.2900. Clinical color change thermometer.

- (a) **Identification.** A clinical color change thermometer is a disposable device used to measure a patient's oral, rectal, or axillary (armpit) body temperature. The device records body temperature by use of heat sensitive chemicals which are sealed at the end of a plastic or metal strip. Body heat causes a stable color change in the heat sensitive chemicals.
- (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 the limitations in [§ 880.9](/cfr/21/880.9.md).

## Notes

### Amendments

[45 FR 69682, Oct. 21, 1980, as amended at 61 FR 1123, Jan. 16, 1996; 66 FR 38804, July 25, 2001]

### Authority

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

### Source

Source: 45 FR 69682, Oct. 21, 1980, unless otherwise noted.

### Amendments

[45 FR 69682, Oct. 21, 1980, as amended at 61 FR 1123, Jan. 16, 1996; 66 FR 38804, July 25, 2001]