What Are Identification Markings on Pills?

Pill identification markings are the unique codes imprinted on pills that, combined with its shape, color and size, allow for easy identification of a drug or medication. The Federal Drug Administration requires these identification markings on all pills introduced to market, states the FDA Code of Federal Regulations Title 21.

By using easy online pill identification tools, such as the one available on Drugs.com, it is possible to identify a particular pill by entering the pill's imprint or its color and shape into the online pill finder, advises About.com. The tool displays information on possible drug matches along with pictures of each drug to aid in correctly identifying the pill in question.