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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Codes indicating patient has chosen not to complete a General Practice Physical Activity Questionnaire SNOMED CT

Taken from the GPPAQDEC_COD refset published by NHSD.

Codes indicating patient has chosen not to have an exercise assessment SNOMED CT

Taken from the EXERASSDEC_COD refset published by NHSD.

Codes indicating patient has chosen not to have bowel cancer screening SNOMED CT

Taken from the COLCANSCRDEC_COD refset published by NHSD.

Codes indicating patient has chosen not to have their illicit substance abuse assessment SNOMED CT

Taken from the ILLSUBASSDEC_COD refset published by NHSD.

Codes indicating patient has chosen not to undertake ambulatory blood pressure monitoring (ABPM) SNOMED CT

Taken from the ABPMDEC_COD refset published by NHSD.

Codes indicating patient lives elsewhere than residential, care or nursing home SNOMED CT

Taken from the NONRESLIVING_COD refset published by NHSD.

Codes indicating proactive care ended SNOMED CT

Taken from the PROACTCAREEND_COD refset published by NHSD.

Codes indicating proactive care provided SNOMED CT

Taken from the PROACTCAREPROV_COD refset published by NHSD.

Codes indicating that a referral to a pulmonary rehabilitation programme is not suitable for the patient SNOMED CT

Taken from the PULRHBPU_COD refset published by NHSD.

Codes indicating that an electrocardiogram was done SNOMED CT

Taken from the ECG_COD refset published by NHSD.

Codes indicating the number of asthma exacerbations SNOMED CT

Taken from the ASTEXACB_COD refset published by NHSD.

Codes indicating the patient (via parent or guardian) has chosen not to receive a MMR vaccination SNOMED CT

Taken from the MMRDEC_COD refset published by NHSD.

Codes indicating the patient chose not to receive a Men B booster vaccination SNOMED CT

Taken from the MENBVACDECBOOST_COD refset published by NHSD.

Codes indicating the patient chose not to receive a MenACWY vaccination SNOMED CT

Taken from the MENACWYDEC_COD refset published by NHSD.

Codes indicating the patient chose not to receive a first Men B vaccination SNOMED CT

Taken from the MENBVACDEC1_COD refset published by NHSD.