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7/17/2013
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Big Data App IDs Lookalike Prescription Pills

Drawing on an extensive database of pill images, the MedSnap ID app for medical professionals uses the iPhone to quickly identify prescription pills and reduce medication errors.

Enter MedSnap ID, a subscription service -- $70 a year per individual license -- for medical professionals. Using image recognition, it identifies more than 3,400 U.S. prescription pills, with more pills added weekly, the company says.

Using an iPhone 4S or 5 and the MedSnap ID app, an ER physician, for instance, can snap a picture of a mixed set of pills placed on a flat surface, and after a brief analysis, MedSnap ID will display a list of pills it has identified.

"You could put up to 20 or more pills on the surface, and it will identify each and every pill from its image," Hymel said. "The FDA mandates that every pill have a unique side. So its color, shape, size, and imprint -- some combination of those factors need to be unique. We use that to identify the medication."

Visual identification can be tricky with generic medications, however.

"The problem for both patients and clinicians is that one medication can have many different appearances," said Hymel, adding that until starting the MedSnap project, he had written tens of thousands of prescriptions with "very little idea" of what the pills actually looked like.

MedSnap ID's usefulness depends on the depth and breadth of its visual database, of course, which is why the company is enlisting hospitals, pharmacy schools and clinicians to join its Pill Mapping Project, an effort to ID thousands of prescription pills.

"We've had pharmacists volunteer to participate in this," noted Hymel. "We've had hospitals donate their pills and allow us to come into their pharmacies and snap 800 or 900 different medications that they stock. All of that was necessary to build up the pill database that we have."

The influx of international drugs might limit the usefulness of MedSnap in some areas, such as border states and major tourist destinations that attract a lot of international visitors.

A pill that MedSnap ID can't identify might be one that comes from a source outside the U.S., Canada or European Union, or it might be a fake.

"There's a lot of interest in using this technology to evaluate the safety of the drug supply chain, and to make sure the drugs we're about to take are the drugs we think they are," said Hymel.

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