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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has_parkinsons SNOMED CT

SNOMED codelist for the has_parkinsons group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Published by QCovid
has_peripheral_vascular_disease SNOMED CT

SNOMED codelist for the has_peripheral_vascular_disease group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Published by QCovid
has_pulmhype_or_fibrosis SNOMED CT

SNOMED codelist for the has_pulmhype_or_fibrosis group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Published by QCovid
has_radio_last_6_months OPCS-4

OPCS codelist for the has_radio_last_6_months group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Published by QCovid
has_rheumatoid_arth_or_sle SNOMED CT

SNOMED codelist for the has_rheumatoid_arth_or_sle group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Codelist also contains the following unrecognised codes:

  • 1073711000119100 | Rheumatoid arthritis of left hand (disorder) |
  • 1073721000119100 | Rheumatoid arthritis of left hip (disorder) |
  • 1073791000119100 | Rheumatoid arthritis of right hand (disorder) |
  • 11055151000119100 | Seropositive rheumatoid arthritis of multiple joints (disorder) |
  • 16044751000119100 | Polyarticular juvenile idiopathic arthritis (disorder) |
Published by QCovid
has_severe_mental_illness SNOMED CT

SNOMED codelist for the has_severe_mental_illness group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Codelist also contains the following unrecognised codes:

  • 1086471000000100 | Recurrent reactive depressive episodes, severe, with psychosis (disorder) |
Published by QCovid
has_sickle_cell_immuno_def SNOMED CT

SNOMED codelist for the has_sickle_cell_immuno_def group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Published by QCovid
has_solid_organ_transplant OPCS-4

OPCS codelist for the has_solid_organ_transplant group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Published by QCovid
has_stroke_or_tia SNOMED CT

SNOMED codelist for the has_stroke_or_tia group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Codelist also contains the following unrecognised codes:

  • 1078001000000100 | Haemorrhagic stroke (disorder) |
  • 1089411000000100 | Cerebral infarction due to occlusion of cerebral artery (disorder) |
  • 1089421000000100 | Cerebral infarction due to stenosis of cerebral artery (disorder) |
  • 16000511000119100 | Cerebrovascular accident due to occlusion of left middle cerebral artery (disorder) |
  • 16002031000119100 | Cerebrovascular accident due to thrombus of right middle cerebral artery (disorder) |
  • 16002111000119100 | Cerebrovascular accident due to thrombus of left middle cerebral artery (disorder) |
Published by QCovid
has_thrombosis_or_pulmonary_embolus SNOMED CT

SNOMED codelist for the has_thrombosis_or_pulmonary_embolus group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Published by QCovid
hazardous alcohol drinking CTV3

Codes that indicate hazardous alcohol drinking behavior. Future studies that require to specify ex-drinker and current-drinker need to revisit and review this codelist.

Published by OpenSAFELY
hearing_loss Read V2
Published by QMUL Multimorbidity
heart_failure Read V2
Published by QMUL Multimorbidity
height_cms SNOMED CT

SNOMED codelist for the height_cms group in the QCovid® to develop the COVID-19 Population Risk Assessment.

Published by QCovid
historic anxiety and depression diagnosis codes SNOMED CT