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Which part of the NDC number indicates the product code?

  1. the first 4-5 digits.

  2. the product code

  3. the second segment

  4. the last 1-2 digits

The correct answer is: the product code

The product code is typically the identifier for a specific medication, while the rest of the digits in the NDC number indicate the manufacturer, package size, and other details. Therefore, it is not solely contained in one specific part of the NDC number. Option A may be confusing because the first 4-5 digits do often correspond to the manufacturer, but this is not always the case. Option C refers to the second group of digits, which typically represent the package size and may vary between products from the same manufacturer. Option D refers to the last 1-2 digits, which represent the package configuration and may also vary between products from the same manufacturer.