OpenCodelists

OpenSAFELY codelists

Published codelists

All of the codelists published by OpenSAFELY

Name Coding system Description Last updated
COVID-19 Vaccination - Did not attend second appointment SNOMED CT Codes to identify where someone did not attend a second COVID-19 vaccination appointment also known as DNAs
COVID-19 Vaccination - First dose not given SNOMED CT
COVID-19 Vaccination - Second dose not given SNOMED CT
COVID-19 Vaccination Given SNOMED CT
COVID-19 Vaccination Unavailable SNOMED CT A single code to denote when a vaccine is unavailable.
COX-2 Specific NSAIDs dm+d This is a list of [NHS dictionary of medicines and devices](https://ebmdatalab.net/what-is-the-dmd-the-nhs-dictionary-of-medicines-and-devices/) oral non-seroidal anti-inflammatory drugs (NSAIDs) that specifically targets cyclooxygenase / COX-2 enzyme.
CVD risk assessment score QOF SNOMED CT Patients who have received a cardiovascular risk score as listed in the QoF business rules
Calcium Channel Blockers dm+d The codelist contains medicines that are classed as [calcium channel blockers in BNF codes](https://openprescribing.net/bnf/020602/).
Cancer excluding lung and haematological CTV3 Codes indicating a diagnosis of a cancer other than lung cancer or haematological cancer
Cancer excluding lung and haematological (SNOMED) SNOMED CT Automatically-generated equivalent of [Cancer excluding lung and haematological](/codelist/opensafely/cancer-excluding-lung-and-haematological/)
Cardiovascular Secondary Care ICD-10 Chapter I of ICD-10 for cardiovascular mortality with variables separating out codes relating to myocardial infarction and heart failure. Previously used by Jeremy P. Brown and Krishnan Bhaskaran (see below).
Care planning medication review simple reference set - NHS Digital SNOMED CT This contains Medication Review activities, in common with other subsets of this type it does not include procedures with context already declared, e.g. Medication review declined.
Cefalexin (oral) dm+d This codelist contains cefalexin formulations which may be given orally.
Cerebral palsy CTV3 Codelist for people with a diagnosis of cerebral palsy
Cerebrovascular Disease SNOMED CT This codelist aims to identify patients who have cerebrovascular disease (primarily affecting the cerebral or retinal circulation) where an atherosclerotic pathology exists.
Chemotherapy or Radiotherapy CTV3 Codes indicating chemotherapy or radiotherapy or both has been carried out
Chemotherapy or Radiotherapy (SNOMED) SNOMED CT Automatically-generated equivalent of [Chemotherapy or Radiotherapy](/codelist/opensafely/chemotherapy-or-radiotherapy/)
Chemotherapy or Radiotherapy (updated) CTV3 An updated version of https://codelists.opensafely.org/codelist/opensafely/chemotherapy-or-radiotherapy/, with truncated codes fixed.
Chloroquine dm+d This notebook contains [NHS dm+d codes](https://ebmdatalab.net/what-is-the-dmd-the-nhs-dictionary-of-medicines-and-devices/) medications chloroquine phosphate or chloroquine sulfate.
Cholesterol tests SNOMED CT A SNOMED CT codelist describing primary care requests for total cholesterol.
Cholesterol tests (numerical value) SNOMED CT A SNOMED CT codelist describing primary care requests for total cholesterol with a numerical value.
Chronic Cardiac Disease CTV3 Codes indicating a diagnosis of chronic heart disease, excluding simple VSD and AF
Chronic Cardiac Disease (SNOMED) SNOMED CT Automatically-generated equivalent of [Chronic Cardiac Disease](/codelist/opensafely/chronic-cardiac-disease/)
Chronic Kidney Disease (SNOMED) SNOMED CT IMPORTANT: This codelist is for Renal Replacement Therapy, *not* CKD but can't be renamed as it has been used in studies. If you are interested in CKD as a condition, please use one of the other existing codelists.

Automatically-generated equivalent of [Renal replacement therapy](https://www.opencodelists.org/codelist/opensafely/renal-replacement-therapy/2020-04-14/)
Chronic Liver Disease CTV3 Code indicating diagnosis of chronic liver disease
Chronic Liver Disease (SNOMED) SNOMED CT Automatically-generated equivalent of [Chronic Liver Disease](/codelist/opensafely/chronic-liver-disease/)
Chronic Respiratory Disease CTV3 Codes indicating a diagnosis of a chronic respiratory disease excluding asthma
Chronic Respiratory Disease (SNOMED) SNOMED CT Automatically-generated equivalent of [Chronic Respiratory Disease](/codelist/opensafely/chronic-respiratory-disease/)
Chronic kidney disease codes - all stages with numeric column SNOMED CT Adapted from existing PRIMIS CKD codelist - https://www.opencodelists.org/codelist/primis-covid19-vacc-uptake/ckd15/v.1.5.3 - with additional column for numeric stage for each code.
Chronic obstructive pulmonary disease (COPD) review QoF SNOMED CT Chronic Obstructive Pulmonary Disease (COPD) review codes as listed in the QoF business rules
Ciclosporin BNF
Ciclosporin - oral dm+d BNF codelist for oral ciclosporin.
Ciclosporin - oral - dmd dm+d NHS Dictionary of medicines and devices (dm+d) codelist for ciclosporin
Clarithromycin (oral) dm+d This codelist contains clarithromycin formulations which may be given orally.
Co-amoxiclav (oral) dm+d This codelist contains co-amoxiclav formulations which may be given orally.
Codeine for pain BNF Excludes codeine for cough suppression. Include all codeine-containing products within the BNF Chapters 4.7 and 10.1.1 (combined with NSAIDs).
Combination blood pressure medication dm+d The following codelist contains products with more than one ingredient for the treatment of blood pressure from the cardiovascular chapter of BNF codes.
Crohn's Disease CTV3
Current Asthma CTV3 Codes indicating current, adult asthma.
Current COPD CTV3 Codelist indicating current COPD.
Cystic Fibrosis CTV3 Codes indicating a diagnosis of cystic fibrosis or associated diseases such as primary ciliary dyskinesia
Cystic Fibrosis SNOMED SNOMED CT This codelist defines cystic fibrosis and is designed for specificity.
It was developed for the vitamin D study.
DMARDs dm+d This codelist is a list of [NHS dm+d codes](https://ebmdatalab.net/what-is-the-dmd-the-nhs-dictionary-of-medicines-and-devices/) for "disease modifying antirheumatic drugs" more commonly referred to as DMARDs.
DPP-4 inhibitors dm+d This codelist aims to identify DPP-4 inhibitors (also known an gliptins).
Dabigatran DM+D dm+d This is a codelist that identifies all preparations from the NHS dictionary of medicines and devices for dabigatran etexilate , one of the Directing Oral Anticoagulants which are often referred to as DOACs.
Date of UK entry SNOMED CT This is a list of codes that describe the date of entry to the UK.
Dementia CTV3 Codes indicating dementia
Dementia (Complete) CTV3 This codelist captures Dementia and Alzheimers Disease. Discussion here: https://github.com/opensafely/codelist-development/issues/61
Dementia (SNOMED) SNOMED CT Automatically-generated equivalent of [Dementia](/codelist/opensafely/dementia/)
Denosumab dm+d All products containing denosumab.
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