A pharmacy must conduct a biennial inventory of all controlled substances on hand. According to federal law, which of the following statements is correct regarding the counting requirements for this inventory?
-
A
All Schedule II substances must be exactly counted, and all Schedule III-V substances may be estimated.
-
B
An exact count is required for all open containers of Schedule III, IV, or V substances holding more than 1,000 dosage units.
-
C
All controlled substances, regardless of schedule, can be estimated as long as the container holds less than 500 units.
-
D
The inventory requires an exact count for all Schedule II-V controlled substances, without exception.