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.

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pregnancy-icd10-aurum ICD-10
This codelist was developed in 2022 by Campbell and colleagues (https://onlinelibrary.wiley.com/doi/full/10.1002/pds.5584) for the purposes of identifying pregnancy in CPRD Aurum. It is designed to be highly sensitive, to identify any potential pregnancy (including potentially unconfirmed pregnancies and pregnancies not resulting in birth). It expands on a 2019 ICD-10 codelist developed by the same group for CPRD GOLD (https://onlinelibrary.wiley.com/doi/full/10.1002/pds.4811).

The codelist …
Published by OpenSAFELY
receiving chemotherapy or radiotherapy codes SNOMED CT
Taken from the `DXT_CHEMO_COD` fields in SARS-CoV2 (COVID-19) Vaccine Uptake Reporting Codes v.1.5.3
rem-sleep-behaviour-disorder-ctv3 CTV3
rem-sleep-behaviour-disorder-snomed-ct-v13 SNOMED CT
serious mental illness ICD-10
severe and profound learning disability flags CTV3
This is a list of generic codes which record the presence of a severe or profound learning disability, flagged as such in a patient's records separately to their underlying diagnosis.
Published by OpenSAFELY
sick-notes-ctv3 CTV3
Published by OpenSAFELY
sick-notes-snomed SNOMED CT
Published by OpenSAFELY
sinusitis Read V2
Published by QMUL Multimorbidity
skin and soft tissue infections SNOMED CT
Codelist for skin and soft tissue infections that may be treated with repeat antibiotics in primary care.
Published by UKHSA
smoking-clear-smoke-eversmoke CTV3
This codelist includes extracted codes for smoking and ever-smoking based on the OpenCodelists resource: opencodelists.org/codelist/opensafely/smoking-clear/2020-04-29/.
splenectomy SNOMED CT
Published by UKHSA
substance_misuse Read V2
Published by QMUL Multimorbidity
symptom colorectal CIBH SNOMED CT
symptom colorectal IDA SNOMED CT