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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Urea and Electrolytes test results SNOMED CT
Taken from the `UE_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/).
Urinary catheter administration codes for Pharmacy First SNOMED CT
Codes that a GP could use to record that a patient has a Urinary catheter
Urinary-tract infections (antibacterials) dm+d
Urinary-tract infections codelist extracted from antibacterials codelist (https://www.opencodelists.org/codelist/opensafely/antibacterials/27089eaa/)
Published by UKHSA
Urinary-tract-infection-and-related-conditions-for-Pharmacy-First SNOMED CT
Codes that a GP could use to record that a patient has a urinary tract infection (UTI), or has presented with symptoms that might be attributable to a UTI, or similar/related conditions
Urine albumin codes SNOMED CT
Taken from the `NDAALB_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/).
Urine tests SNOMED CT
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Published by Ardens
VSL#3 and Vivomixx BNF
Used by the following [OpenPrescribing](https://openprescribing.net) measures:

* [Probiotics that have been removed from the drug tariff](https://openprescribing.net/measure/probiotics/)
Published by OpenPrescribing
VTE classified codes CTV3
VTE codes classified into cvt, dvt, pe, hepatic, smv, unspecified and other.
Published by OpenSAFELY
Valneva booster medication code dm+d
Taken from the `VLB1RX_COD` field in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Valneva vaccination medication code dm+d
Taken from the `VLD1/2RX_COD` fields in SARS-CoV2 COVID19 Vaccination Uptake Reporting Codes 20_21, published by PRIMIS.

© PRIMIS - the University of Nottingham 2021
Valvular atrial fibrillation CTV3
Codes indicating incident/ history of valvular atrial fibrillation (codes indicating artificial valves and mitral stenosis).
Published by OpenSAFELY
Vascular Surgery - Attention to prosthesis of aorta (Clean) 86 SSISS Protocol: OPCS operating procedure code supplement. OPCS-4.8 to OPCS-4.9 (L22) OPCS-4
Procedure category: Vascular Surgery - Operative procedure involving arteries or veins includes aortic aneurysm repair, vascular grafts, and carotid, iliac, femoral or popliteal artery operations. Excludes varicose vein repair, creation of arterial shunts, coronary artery bypass graft, or any procedures involving the pulmonary artery.

Procedure subcategory: Attention to prosthesis of aorta (Clean) 86 SSISS Protocol: OPCS operating procedure code supplement. OPCS-4.8 to OPCS-4.9 (L22)
Vascular Surgery - Connection of vena cava or branch of vena cava (Clean) (L77) OPCS-4
Procedure category: Vascular Surgery - Operative procedure involving arteries or veins includes aortic aneurysm repair, vascular grafts, and carotid, iliac, femoral or popliteal artery operations. Excludes varicose vein repair, creation of arterial shunts, coronary artery bypass graft, or any procedures involving the pulmonary artery.

Procedure subcategory: Connection of vena cava or branch of vena cava (Clean) (L77)
Vascular Surgery - Emergency replacement of aneurysmal femoral artery (Clean) (L56) OPCS-4
Procedure category: Vascular Surgery - Operative procedure involving arteries or veins includes aortic aneurysm repair, vascular grafts, and carotid, iliac, femoral or popliteal artery operations. Excludes varicose vein repair, creation of arterial shunts, coronary artery bypass graft, or any procedures involving the pulmonary artery.

Procedure subcategory: Emergency replacement of aneurysmal femoral artery (Clean) (L56)
Vascular Surgery - Emergency replacement of aneurysmal iliac artery (Clean) (L48) OPCS-4
Procedure category: Vascular Surgery - Operative procedure involving arteries or veins includes aortic aneurysm repair, vascular grafts, and carotid, iliac, femoral or popliteal artery operations. Excludes varicose vein repair, creation of arterial shunts, coronary artery bypass graft, or any procedures involving the pulmonary artery.

Procedure subcategory: Emergency replacement of aneurysmal iliac artery (Clean) (L48)