RxNorm September 2022 Release. NLM Technical Bulletin. 2022 Sep–Oct
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RxNorm September 2022 Release. NLM Tech Bull. 2022 Sep-Oct;(448):b3.
2022 September 06 [posted]
The RxNorm September 2022 monthly release became available on Tuesday, September 6, 2022. The RxNorm September release includes updated Prescribable Name (PSN) synonyms for Paxlovid-related pack concepts.
RXNORM DATA CHANGES
Paxlovid Pack PSN Synonyms Updated
Paxlovid is an investigational drug indicated for the treatment of certain cases of COVID-19 under a U.S. Food and Drug Administration (FDA) Emergency Use Authorization (EUA). The RxNorm team was made aware of concerns regarding dosing errors related to Paxlovid. One discussion of possible errors can be found here: Numerous Wrong Dose Errors with PAXLOVID.
RxNorm PSNs for Paxlovid brand name and generic packs were updated to help clearly identify to prescribers which pack is being prescribed. For example, one of the Paxlovid brand name packs now includes the word “Renal.”
Here are the previous PSNs for Paxlovid-related brand name and generic packs:
| RXCUI | SAB | TTY | STR |
| 2587899 | RXNORM | PSN | PAXLOVID 300 MG / 100 MG 5-Day Pack (EUA) |
| 2599543 | RXNORM | PSN | PAXLOVID 150 MG /100 MG Dose Pack (EUA) |
| 2587898 | RXNORM | PSN | nirmatrelvir 150 MG Oral Tablet (20) / ritonavir 100 MG Oral Tablet (10) 5 Day Pack (EUA) |
| 2599542 | RXNORM | PSN | nirmatrelvir 150 MG Oral Tablet (10) / ritonavir 100 MG Oral Tablet (10) 150 MG /100 MG Dose Pack (EUA) |
Here are the updated PSNs for Paxlovid-related brand name and generic packs:
| RXCUI | SAB | TTY | STR |
| 2587899 | RXNORM | PSN | PAXLOVID 300 MG ; 100 MG 5-Day Pack (EUA) |
| 2599543 | RXNORM | PSN | PAXLOVID 150 MG ; 100 MG Dose Pack (EUA), Renal |
| 2587898 | RXNORM | PSN | nirmatrelvir 300 MG ; ritonavir 100 MG Daily Dose Pack (EUA) |
| 2599542 | RXNORM | PSN | nirmatrelvir 150 MG ; ritonavir 100 MG Daily Dose Pack (EUA), Renal |
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