Table of Contents: 2017 NOVEMBER–DECEMBER No. 419
RxNorm November 2017 Release. NLM Tech Bull. 2017 Nov-Dec;(419):b5.
The November 2017 full monthly release of RxNorm is available as of Monday, November 6, 2017.
The November 2017 release is consistent with the 2017AB Unified Medical Language System (UMLS) Metathesaurus Release Files. A new Qualitative Distinction “Matrix Delivery” is included to distinguish the nonequivalence of tramadol containing products which cannot be prescribed interchangeably.
