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RxNorm April 2019 Release Available

RxNorm April 2019 Release Available. NLM Tech Bull. 2019 Mar-Apr;(427):b9.

April 01, 2019 [posted]

The April 2019 full monthly release of RxNorm is available for download as of Monday, April 1, 2019, from the RxNorm Files page and includes a new Qualitative Distinction modifier "20/80 Release." Qualitative Distinction (QD) modifiers allow flexibility in the RxNorm model to create a new RxNorm Concept Unique Identifier (RXCUI) when needed.

A new "20/80 Release" QD is included to distinguish certain extended release methylphenidate products.
The April 2019 release includes new QDs for the following active concepts:

RXCUI TTY String
2119559SCD20/80 Release 24 HR Methylphenidate Hydrochloride 25 MG Extended Release Oral Capsule
2119561SBD20/80 Release 24 HR Methylphenidate Hydrochloride 25 MG Extended Release Oral Capsule [Adhansia]
2119563SCD20/80 Release 24 HR Methylphenidate Hydrochloride 35 MG Extended Release Oral Capsule
2119565SBD20/80 Release 24 HR Methylphenidate Hydrochloride 35 MG Extended Release Oral Capsule [Adhansia]
2119567SCD20/80 Release 24 HR Methylphenidate Hydrochloride 45 MG Extended Release Oral Capsule
2119569SBD20/80 Release 24 HR Methylphenidate Hydrochloride 45 MG Extended Release Oral Capsule [Adhansia]
2119571SCD20/80 Release 24 HR Methylphenidate Hydrochloride 55 MG Extended Release Oral Capsule
2119573SBD20/80 Release 24 HR Methylphenidate Hydrochloride 55 MG Extended Release Oral Capsule [Adhansia]
2119577SCD20/80 Release 24 HR Methylphenidate Hydrochloride 70 MG Extended Release Oral Capsule
2119579SBD20/80 Release 24 HR Methylphenidate Hydrochloride 70 MG Extended Release Oral Capsule [Adhansia]
2119574SCD20/80 Release 24 HR Methylphenidate Hydrochloride 85 MG Extended Release Oral Capsule
2119575SBD20/80 Release 24 HR Methylphenidate Hydrochloride 85 MG Extended Release Oral Capsule [Adhansia]

For each SCD or SBD with a QD, there is an associated attribute in RXNSAT with the attribute name (ATN) of 'RXN_QUALITATIVE_DISTINCTION.' The April 2019 release contains the following new attribute value (ATV) to match the QD strings found in the SCD and SBD normalized names:

20/80 Release