Does the DEA Need a Warrant to Get PDMP Database Information?

The author discusses the request of the U.S. Drug Enforcement Agency (DEA) for access to the prescription drug monitoring program of a state, wherein its officials sought a district court judgment to grant approval. Topics covered include the use of a subpoena by the DEA, concern of the officials on the extent of the privacy issue and protection of confidentiality. Also mentioned is the attempt of the DEA to differentiate a medical record from information on prescription.