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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COPD ICD-10
This codelist is to identify chronic obstructive pulmonary disease (COPD). This is a combination of three existing code lists: 1) COPD diagnosis code (name: COPD - secondary care). 2) copd_icd10 by elsie_horne 3) COPD exacerbation specific code (COPD exacerbation codelist).
COPD - secondary care ICD-10
Identifies COPD hospital admissions.
Published by OpenSAFELY
COPD Infection CTV3
Codes indicating a diagnosis of COPD exacerbation or a LRTI infection
Published by OpenSAFELY
COPD Medications (New) BNF
Codelist created from existing list, https://www.opencodelists.org/codelist/bristol/copd-medications-bnf/4b00637c/#full-list, to solve issue with dm+d conversion
Published by OpenSAFELY
COPD Medications (New) - dmd dm+d
Codelist created from existing list, https://www.opencodelists.org/codelist/bristol/copd-medications-bnf/4b00637c/#full-list, to solve issue with dm+d conversion
Published by OpenSAFELY
COPD Rescue Packs and Annual Reviews CTV3
Code indicating an annual review of COPD or the provision of a rescue pack for COPD exacerbations
Published by OpenSAFELY
COPD exacerbation medications (BNF) BNF
COPD exacerbation medication codes derived by Hannah Whittaker (Imperial College London) and reviewed by Jenni Quint (Imperial College London) for CONVALESENCE Long Covid EHR project
COPD exacerbation secondary care ICD-10
Identifies COPD exacerbation hospital admissions.
Published by OpenSAFELY
COPD exacerbations SNOMED CT
Asthma exacerbations codes derived by Hannah Whittaker (Imperial College London) and reviewed by Jenni Quint (Imperial College London) for CONVALESENCE Long Covid EHR project
COPD exacerbations (SNOMED) SNOMED CT
COPD exacerbations codes derived by Hannah Whittaker (Imperial College London) and reviewed by Jenni Quint (Imperial College London) for CONVALESENCE Long Covid EHR project
COPD medications (BNF) BNF
COPD medication codes derived by Hannah Whittaker (Imperial College London) and reviewed by Jenni Quint (Imperial College London) for CONVALESENCE Long Covid EHR project
COVID Identification ICD-10
The following two ICD-10 codes for COVID identification have been used

U07.1 virus identified
Use this code when COVID-19 has been confirmed by laboratory testing irrespective of severity of clinical signs or symptoms. Use additional code, if desired, to identify pneumonia or other manifestations.
Published by OpenSAFELY
COVID Identification in primary care (helper) - 111 suspected CTV3
Helper file for COVID identifcation in primary care - suspect case. Used to identify which of the suspect codes in the COVID identification in primary care file is used by 111 for recording a suspect case.
Published by OpenSAFELY
COVID Identification in primary care (helper) - Pillar 2 onwards CTV3
Helper file for COVID identifcation in primary care relating to the case, negative test, potential historic case and historic case codelists. Can be used to identify which of the codes in these codelists have been used by Pillar 2 testing (and later Pillars).
Published by OpenSAFELY
COVID Identification in primary care - exposure to disease CTV3
Codes indicating exposure to COVID-19 (1 of 13 possible types of CTV3 codes that contain information related to COVID-19)
Published by OpenSAFELY