CFR›Title 21›Chapter I›Part 601›Subpart D ContainsSections 601.30–601.35CorpusDaily eCFRDisplayed edition2026-06-03Last updated2026-06-03 Subpart D—Diagnostic Radiopharmaceuticals Sections 601.30 § 601.30 Scope. 601.31 § 601.31 Definition. 601.32 § 601.32 General factors relevant to safety and effectiveness. 601.33 § 601.33 Indications. 601.34 § 601.34 Evaluation of effectiveness. 601.35 § 601.35 Evaluation of safety. Source64 FR 26668, May 17, 1999, unless otherwise noted. Previous C Subpart C—Biologics Licensing Next E Subpart E—Accelerated Approval of Biological Products for Serious or Life-Threatening Illnesses