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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Synovitis acne pustulosis hyperostosis osteomyelitis syndrome (SAPHO syndrome) codes SNOMED CT

Taken from the SAPHO_COD refset published by NHSD.

Systemic Lupus Erythematosus (SLE) CTV3

These codes indicate a diagnosis of systemic lupus erythematosus (SLE)

Published by OpenSAFELY
Systemic lupus codes SNOMED CT

Taken from the SLUPUS_COD refset published by NHSD.

Systemic lupus codes  SNOMED CT

Taken from the SLUPUS_COD refset published by NHSD.

Systolic blood pressure QoF SNOMED CT

A SNOMED CT codelist containing codes relating to systolic blood pressure (SBP) measurement.

Published by OpenSAFELY
Systolic blood pressure recording codes SNOMED CT

Taken from the SYSBP_COD refset published by NHSD.

Takayasu’s arteritis codes SNOMED CT

Taken from the TAKAYASUART_COD refset published by NHSD.

Tamoxifen BNF

Used by the following OpenPrescribing measures:

Published by OpenPrescribing
Targeted proactive care needs assessment codes SNOMED CT

Taken from the TPCNASS_COD refset published by NHSD.

Temporary Immunosuppression CTV3

Codes indicating a diagnosis of a temporary immunosuppression.

Published by OpenSAFELY
Temporary Immunosuppression (SNOMED) SNOMED CT

Automatically-generated equivalent of Temporary Immunosuppression

Published by OpenSAFELY
Teratogenic medicines dm+d

In this codelist we aim to identify teratogenic drugs. A teratogen is a substance that can cause abnormalities or birth defects in a developing fetus.

The CQC routinely review the use of the following drugs, in female patients between the age of 8 and 55 years old Valproate Carbimazole Modafinil Pregabalin Topiramate.

There are other drugs that are considered teratogenic but only these five are considered here.

Published by OpenSAFELY
Tetracycline (tetracyclines) dm+d

Tetracycline codelist extracted from tetracyclines codelist

Published by UKHSA
Tetracyclines (antibacterials) dm+d

Tetracyclines codelist extracted from antibacterials codelist (https://www.opencodelists.org/codelist/opensafely/antibacterials/27089eaa/)

Published by UKHSA
Thalassaemia codes SNOMED CT

Taken from the THAL_COD refset published by NHSD.