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

21 CFR 864.7675: Leukocyte peroxidase 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 leukocyte peroxidase test is a device used to distinguish certain myeloid cells derived from the bone marrow, i.e., neutrophils, eosinophils, and monocytes, from lymphoid cells of the lymphatic system and erythroid cells of the red blood cell series on the basis of their peroxidase activity as evidenced by staining. The results of this test are used in the differential diagnosis of the leukemias.

(b) Classification. Class I (general controls). This device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 864.9.

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

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