OpenCodelists

Welcome to OpenCodelists, created by OpenSAFELY for creating and sharing codelists.

Anybody can also use this tool to create and share codelists. To get started, take a look at the documentation or watch the videos.

If you would like to publish codelists on behalf of an organisation, please get in touch.

Below, you'll find all the codelists that have been used in OpenSAFELY research to date.

All codelists


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Moderate asthma diagnosis codes SNOMED CT
Taken from the `MODAST_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Moderate frailty diagnosis codes SNOMED CT
Taken from the `MODFRAIL_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Moderna booster medication code dm+d
Taken from the `MOB1RX_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Moderna vaccination medication code dm+d
Taken from the `MOD1/2RX_COD` fields in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Molnupiravir - dmd dm+d
A codelist to identify prescriptions of molnupiravir.

##### User requirements
I need a codelist to return all recorded prescriptions of molnupiravir in primary care records. This will be used to plot the recorded prescribing in primary care of all COVID-19 therapeutics.
Published by OpenSAFELY
Monoamine Oxidase Inhibitors DM&D dm+d
This codelist contains codes from the NHS dictionary of medicines and devices (dm+d) for antidepressants that are known as Monoamine oxidase inhibitors. All formulations of these medicines have been included. Moclobemide is a Reversible Monoamine Oxidase Inhibitor. These medicines are licensed to treat depression. Moclobemide is also licensed to treat social anxiety.
Published by OpenSAFELY
Monoclonal tumour necrosis factor inhibitors (TNFi) systemic medication codes dm+d
Taken from the `TNFILIDRUG_COD` NHS drug refset. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Published by NHS Drug Refsets
Monogenic diabetes or maturity onset diabetes of the young codes SNOMED CT
Taken from the `MODYDM_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Morphine 120mg or greater equivalence opioid drugs dm+d
Taken from the `VSTRONGOPIOIDDRUG_COD` NHS drug refset. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Published by NHS Drug Refsets
Morphine subcutaneous dm+d dm+d
User Requirements This codelist aims to identify morphine being used in the context of palliative care. This list covers formulations of morphine that could be given subcutaneously.
Published by OpenSAFELY
Motor Neurone Disease (ICD-10) ICD-10
Taken from the Motor Neurone Disease tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Motor Neurone Disease (SNOMED CT) SNOMED CT
Taken from the Motor Neurone Disease tab of the Population Risk COVID-19 Treatments code list v1.3, published by NHS Digital, 2021-12-13.
Published by NHS Digital
Motor neurone disease (ICD10) V1.3 ICD-10
Motor neurone disease (SNOMED-CT) V1.3 SNOMED CT
Motor neurone disease codes SNOMED CT
Taken from the `MND_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).