Just out! CMS has rescinded Transmittal 3530 and replaced it with Transmittal 3538...

Effective Date July 1, 2016 There has been a change in CMS policy regarding the use of the JW modifier (JW Drug amount discarded /not administered to any patient). Discarded drugs must be reported on a separate line item from the line item for the administered drug. Assign Modifier JW to the HCPCS code that identifies the amount discarded...