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Federal regulations · Through 2026-08-25 · Newer source version available

21 CFR 864.7750: Prothrombin time test.

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Where this section sits in the code
  1. Title 21—Food and Drugs
  2. CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES
  3. SUBCHAPTER H—MEDICAL DEVICES
  4. PART 864—HEMATOLOGY AND PATHOLOGY DEVICES
  5. Subpart H—Hematology Kits and Packages

(a) Identification. A prothrombin time test is a device used as a general screening procedure for the detection of possible clotting factor deficiencies in the extrinsic coagulation pathway, which involves the reaction between coagulation factors III and VII, and to monitor patients receiving coumarin therapy (the administration of one of the coumarin anticoagulants in the treatment of venous thrombosis or pulmonary embolism).

(b) Classification. Class II (performance standards).

Collected 2026-08-27T02:24:47Z. Source file · JSON

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