---
kind: "section"
citation: "21 C.F.R. § 864.7140"
title: "21"
number: "864.7140"
heading: "Activated whole blood clotting time tests."
url: "https://uscodex.org/cfr/21/864.7140"
---

# §864.7140. Activated whole blood clotting time tests.

- (a) **Identification.** An activated whole blood clotting time tests is a device, used to monitor heparin therapy for the treatment of venous thrombosis or pulmonary embolism by measuring the coagulation time of whole blood.
- (b) **Classification.** Class II (performance standards).

## Notes

### Amendments

[45 FR 60611, Sept. 12, 1980]

### Authority

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

### Amendments

[45 FR 60611, Sept. 12, 1980]