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[bioontology-support] Can I please find out what version of MedDRA are we using in REDCap?

Amy Dang amy.dang at
Sun Aug 29 16:42:29 PDT 2021

Hi John & Jennifer,

Thank you for the response below, that is really helpful.

Many thanks,

From: John Graybeal <jgraybeal at>
Sent: Saturday, 28 August 2021 6:24 AM
To: Amy Dang <amy.dang at>; JESSICA CATHERINE COSTA-PINTO <jcostapinto at>
Cc: support at; Jennifer Leigh Vendetti <vendetti at>
Subject: Re: [bioontology-support] Can I please find out what version of MedDRA are we using in REDCap?

Amy, Jessica,

If I may add to this excellent summary, we know that MedDRA itself (at the MedDRA site) has been updated to version 24.

We do not know why MedDRA is not updated every 6 months in UMLS, but because it is not updated in UMLS, and we get MedDRA only through UMLS, we are unable to provide version 24 of MedDRA in BioPortal.

We have not been able to find any other ontological source for MedDRA that can legally be put on BioPortal, so we do not anticipate the latest version of MedDRA itself being on BioPortal until late this year, likely late November.


On Aug 27, 2021, at 10:01 AM, Jennifer Leigh Vendetti <vendetti at<mailto:vendetti at>> wrote:

Hi Amy,

On Aug 26, 2021, at 11:29 PM, Amy Dang <amy.dang at<mailto:amy.dang at>> wrote:

H Bio Ontology team,

Can I please find out what version of MedDRA are we using?

We import MedDRA into BioPortal from the National Library of Medicine’s UMLS:

We used the MedDRA coding in the RECap provided and when I went to the link it said version 2021AA,

2021AA refers to the UMLS release version, not the MedDRA version. If you want to know what version of MedDRA is included in the 2021AA UMLS release, you can look at this page:

It’s MedDRA version 23.1.

is the updated version in REDCap?
Do you automatically update the latest versions in REDCap and is this the correct place to find that detail?

We’re the developers and maintainers of the BioPortal application, not REDCap. What I can say is that BioPortal only serves the most recent version of any given ontology. I assume that REDCap uses the BioPortal REST API to retrieve ontology data, so I’d guess they are also serving the most recent version of MedDRA.

Kind regards,

bioontology-support mailing list
bioontology-support at<mailto:bioontology-support at>

John Graybeal
Technical Program Manager
Center for Expanded Data Annotation and Retrieval /+/ NCBO BioPortal
Stanford Center for Biomedical Informatics Research
650-736-1632  | ORCID  0000-0001-6875-5360

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