Table of Contents: 2019 MARCH–APRIL No. 427
RxNorm April 2019 Release Available. NLM Tech Bull. 2019 Mar-Apr;(427):b9.
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 |
|---|---|---|
| 2119559 | SCD | 20/80 Release 24 HR Methylphenidate Hydrochloride 25 MG Extended Release Oral Capsule |
| 2119561 | SBD | 20/80 Release 24 HR Methylphenidate Hydrochloride 25 MG Extended Release Oral Capsule [Adhansia] |
| 2119563 | SCD | 20/80 Release 24 HR Methylphenidate Hydrochloride 35 MG Extended Release Oral Capsule |
| 2119565 | SBD | 20/80 Release 24 HR Methylphenidate Hydrochloride 35 MG Extended Release Oral Capsule [Adhansia] |
| 2119567 | SCD | 20/80 Release 24 HR Methylphenidate Hydrochloride 45 MG Extended Release Oral Capsule |
| 2119569 | SBD | 20/80 Release 24 HR Methylphenidate Hydrochloride 45 MG Extended Release Oral Capsule [Adhansia] |
| 2119571 | SCD | 20/80 Release 24 HR Methylphenidate Hydrochloride 55 MG Extended Release Oral Capsule |
| 2119573 | SBD | 20/80 Release 24 HR Methylphenidate Hydrochloride 55 MG Extended Release Oral Capsule [Adhansia] |
| 2119577 | SCD | 20/80 Release 24 HR Methylphenidate Hydrochloride 70 MG Extended Release Oral Capsule |
| 2119579 | SBD | 20/80 Release 24 HR Methylphenidate Hydrochloride 70 MG Extended Release Oral Capsule [Adhansia] |
| 2119574 | SCD | 20/80 Release 24 HR Methylphenidate Hydrochloride 85 MG Extended Release Oral Capsule |
| 2119575 | SBD | 20/80 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:
