---
kind: "section"
citation: "21 C.F.R. § 864.8950"
title: "21"
number: "864.8950"
heading: "Russell viper venom reagent."
url: "https://uscodex.org/cfr/21/864.8950"
---

# §864.8950. Russell viper venom reagent.

- (a) **Identification.** Russell viper venom reagent is a device used to determine the cause of an increase in the prothrombin time.
- (b) **Classification.** Class I (general controls).

## Notes

### Amendments

[45 FR 60637, Sept. 12, 1980]

### Authority

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

### Amendments

[45 FR 60637, Sept. 12, 1980]