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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GI Bleed or Ulcer (SNOMED) SNOMED CT

Automatically-generated equivalent of GI Bleed or Ulcer

Published by OpenSAFELY
GI bleeding codes SNOMED CT

Taken from the GI_BLEED_COD field in the National PINCER Data Specification, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Published by PINCER
GLP-1's (excluding those combined insulin) - dmd dm+d

This codelist contains NHS Dictionary of Medicines and Devices (dm+d) codes for GLP-1 mimetics, excluding products which are combined with insulin. Note that some GLP-1 products are licenced for the indication of diabetes and some for the indication of weight loss; all indications are included in this codelist.

Published by OpenSAFELY
GLP-1's in combination with insulin - dmd dm+d

This codelist contains NHS Dictionary of Medicines and Devices (dm+d) codes for products which contain a GLP-1 mimetics in combination with insulin.

Published by OpenSAFELY
GSK/Sanofi booster medication code dm+d

Taken from the SAB1RX_COD field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

GSK/Sanofi vaccination medication code dm+d

Taken from the SAD1/2RX_COD fields in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021

Gamma-glutamyl transferase test results SNOMED CT

Taken from the GGT_COD refset published by NHSD.

Gamma-glutamyl transferase test results codes SNOMED CT

Taken from the GGT_COD refset published by NHSD.

Gastro oesophageal reflux disease (GORD) diagnosis codes SNOMED CT

Taken from the GORD_COD refset published by NHSD.

Gastrointestinal bleeding ICD-10 ICD-10

Codes to define gastrointestinal bleeding in ONS death data.

Published by OpenSAFELY
Generic ciclosporin and tacrolimus BNF
Published by OpenPrescribing
Generic diltiazem BNF
Published by OpenPrescribing
Genetic syndrome related diabetes codes SNOMED CT

Taken from the GENETSYNDM_COD refset published by NHSD.

Genetically proven familial hypercholesterolaemia codes SNOMED CT

Taken from the FHYPGEN_COD refset published by NHSD.

Gestational Diabetes SNOMED CT

Taken from the GDIAB_COD fields in SARS-CoV2 (COVID-19) Vaccine Uptake Reporting Codes v.1.5.3