CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER H—MEDICAL DEVICES (parts 800 to 898) > PART 864—HEMATOLOGY AND PATHOLOGY DEVICES > SUBPART H—Hematology Kits and Packages (§864.7040 to §864.7925) > 864.7925—Partial thromboplastin time tests.

864.7925—Partial thromboplastin time tests.

(a) Identification. A partial thromboplastin time test is a device used for primary screening for coagulation abnormalities, for evaluation of the effect of therapy on procoagulant disorders, and as an assay for coagulation factor deficiencies of the intrinsic coagulation pathway.
(b) Classification. Class II (performance standards).

Code of Federal Regulations

[45 FR 60629, Sept. 12, 1980]