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 we have used in OpenSAFELY research to date.


All codelists


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PFIZER/BIONTEC vaccination medication code dm+d

Taken from the PFD1/2RX_COD fields in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

PSA SNOMED CT

...

Published by Ardens
Palliative care codes SNOMED CT

Taken from the PALCARE_COD refset published by NHSD.

Palliative care not clinically indicated codes SNOMED CT

Taken from the PALCARENI_COD refset published by NHSD.

Parathyroid Hormone (PTH) test results SNOMED CT

Taken from the PTH_COD refset published by NHSD.

Parkinson's Disease (ICD10) V1.3 ICD-10
Parkinson's Disease (SNOMED-CT) V1.3 SNOMED CT
Patient allocated named accountable general practitioner codes SNOMED CT

Taken from the ALLOCATEGP_COD refset published by NHSD.

Patient deceased codes SNOMED CT

Taken from the DEATH_COD refset published by NHSD.

Patient died in care home codes SNOMED CT

Taken from the DECDCARHOM_COD refset published by NHSD.

Patient not responded to three invites for cervical screening codes SNOMED CT

Taken from the CSPCAINVITE_COD refset published by NHSD.

Patients in long-stay nursing and residential care SNOMED CT

Taken from the LONGRES_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Patients in long-stay nursing and residential care SNOMED CT

Taken from the LONGRES_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21 v1, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Paxlovid (nirmatrelvir/ritonavir) absolute contraindications - dmd dm+d

This codelist contains drugs which are likely to contraindicate the use of Paxlovid (nirmatrelvir/ritonavir). This list is a refinement of previous "do not co-administer" lists to filter out drugs where mitigation strategies may be employed - e.g. withholding the drug during Paxlovid therapy. See GitHub issue for full details.

Published by OpenSAFELY
Paxlovid - dmd dm+d

A codelist to identify all prescribing of Paxlovid (Nirmatrelvir with Ritonavir).

User requirements Codelist needed to return all recorded prescriptions of Paxlovid in primary care records. This will be used to plot the recorded prescribing in primary care of all COVID-19 therapeutics.

Sensitivity versus specificity Volumes expected to be low, and drugs specific, so sensitivity to be prioritised

Relevant definitions or links to important reference sources N/A

Coding system dm+d

Existing relevant codelists https://github.com/opensafely/Paxlovid-and-sotrovimab/blob/main/codelists/bangzheng-paxlovid-dmd-0964dee3.csv

Published by OpenSAFELY