| | V - Various |  |  |  | This group comprises many different types of drugs, and assigning DDDs are difficult. Very few DDDs are assigned in this group.
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| | V09 - Diagnostic Radiopharmaceuticals |  |  |  | No DDDs have been assigned for radiopharmaceuticals.
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| | V09A - Central Nervous System |  | This group comprises preparations used in CNS investigations in diagnostic nuclear medicine.
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| | V09AB - Iodine (123i) Compounds |  |  | 
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| | V09AB03 - Iodine Ioflupane (123i) | 
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