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Regulations last checked for updates: May 14, 2025
Title 21 - Food and Drugs last revised: May 12, 2025
All Titles
Title 21
Chapter I
Part 864
Subpart B - Subpart B—Biological Stains
§ 864.1850 - Dye and chemical solution stains.
§ 864.1860 - Immunohistochemistry reagents and kits.
§ 864.1865 - Cervical intraepithelial neoplasia (CIN) test system.
§ 864.1866 - Lynch syndrome test systems.
§ 864.1870 - Early growth response 1 (EGR1) gene fluorescence in-situ hybridization (FISH) test system for specimen characterization.
authority:
21 U.S.C. 351
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