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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 660 - PART 660—ADDITIONAL STANDARDS FOR DIAGNOSTIC SUBSTANCES FOR LABORATORY TESTS
Subpart A [§ 660.1 - § 660.6] - Subpart A—Antibody to Hepatitis B Surface Antigen
Subpart B - Subpart B [Reserved]
Subpart C [§ 660.20 - § 660.28] - Subpart C—Blood Grouping Reagent
Subpart D [§ 660.30 - § 660.36] - Subpart D—Reagent Red Blood Cells
Subpart E [§ 660.40 - § 660.46] - Subpart E—Hepatitis B Surface Antigen
Subpart F [§ 660.50 - § 660.55] - Subpart F—Anti-Human Globulin
authority:
21 U.S.C. 321
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331
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351
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352
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353
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355
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360
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360
c,
360
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360
h,
360
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371
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42 U.S.C. 216
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262
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a,
264
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