OpenCodelists

OpenSAFELY codelists

Published codelists

All of the codelists published by OpenSAFELY

Name Coding system Description Last updated
Insulin Medication dm+d A list of insulin preparations at VMP and AMP from the [NHS Dictionary of Medicines and Devices](https://ebmdatalab.net/what-is-the-dmd-the-nhs-dictionary-of-medicines-and-devices/).
Intellectual disability CTV3 Codes for a history of intellectual/learning disability
Intellectual disability including Down's Syndrome CTV3 Codelist for identifying a history of intellectual / learning disability (including Down's syndrome)
International normalised ratio (INR) CTV3 This codelist is used to identify INR blood tests.
Interpreter required SNOMED CT This codelist includes any code indicating that an individual requires an interpreter for a non-English language, (codes specifically relating to sign language were excluded).
Interstitial Lung Disease CTV3 These codes indicate a diagnosis of interstitial lung disease (ILD)
Invasive Group A Strep SNOMED CT Following an increase in cases of [Scarlet Fever and invasive Group A Strep in the UK](https://ukhsa.blog.gov.uk/2022/12/05/group-a-strep-what-you-need-to-know/) this codelist aims to identify patients who have had a diagnosis of or a suspected diagnosis of Invasive Group A Strep including sepsis, necrotizing fasciitis and streptococcal toxic shock syndrome caused by Group A Strep.
Invite for atrial fibrillation care review CTV3 The following codes are used to indicate Invite for atrial fibrillation care review
Ischaemic Heart Disease SNOMED CT This codelist aims to identify patients who have ischaemic heart disease (within the coronary vessels) where an atherosclerotic pathology exists.
Kidney transplant CTV3 Codes indicating kidney transplant (recipient)
LABA + ICS Combination Inhaler dm+d A list of combination inhalers including a long acting beta agonist (LABA) and an inhaled corticosteroid (ICS) preparations at VMP and AMP from the [NHS Dictionary of Medicines and Devices](https://ebmdatalab.net/what-is-the-dmd-the-nhs-dictionary-of-medicines-and-devices/).
LABA + LAMA + ICS Combination Inhaler dm+d A list of combination inhalers including a long acting beta agonist (LABA) and long acting antimuscarininc (LAMA) and inhaled corticosteroids (ICS) preparations at VMP and AMP from the [NHS Dictionary of Medicines and Devices](https://ebmdatalab.net/what-is-the-dmd-the-nhs-dictionary-of-medicines-and-devices/).
LABA + LAMA Combination Inhaler dm+d A list of combination inhalers including a long acting beta agonist (LABA) and long acting antimuscarininc (LAMA) preparations at VMP and AMP from the [NHS Dictionary of Medicines and Devices](https://ebmdatalab.net/what-is-the-dmd-the-nhs-dictionary-of-medicines-and-devices/).
Learning disabilities CTV3 The following codes are used to indicate learning disability.
Leflunomide BNF
Leflunomide dmd dm+d dm+d codelist for Leflunomide
Leukotriene receptor antagonist medication dm+d A list of leukotriene receptor antagonists (LTRA) preparations at VMP and AMP from the NHS Dictionary of Medicines and Devices.
Levomepromazine - Subcutaneous dm+d This codelist contains all subcutaneous formulations of levomepromazine
Levothyroxine dm+d The codelist contains all oral formulations of levothyroxine.
Lipid-lowering medications BNF This codelist aims to identify the prescribing of lipid-lowering medications.
Liraglutide for diabetes dm+d This codelist aims to identify the prescribing of liraglutide products which are licenced for the treatment of diabetes. This codelist will not reliably detect all liraglutide prescribing for diabetes (low sensitivity) - see methodology.
Liraglutide for obesity dm+d This codelist aims to identify the prescribing of liraglutide products which are licenced for the treatment of obesity. This codelist will not reliably detect all liraglutide prescribing for obesity (low sensitivity) - see methodology.
Lisdexamfetamine BNF BNF codelist for lisdexamfetamine
Lisdexamfetamine - dmd dm+d dm+d codelist for lisdexamfetamine
Lithium - oral BNF This code list includes all oral lithium products available in the UK, used for the treatment and prevention of mental illness.
Lithium - oral (dm+d) dm+d This code list includes all oral lithium products available in the UK, used for the treatment and prevention of mental illness.
Lithium carbonate BNF This code list includes all medicines containing lithium carbonate that are available in the UK.
Lithium carbonate (dm+d) dm+d This code list includes all medicines containing lithium carbonate that are available in the UK.
Lithium citrate BNF This code list includes all medicines containing lithium citrate available in the UK.
Lithium citrate (dm+d) dm+d This code list includes all medicines containing lithium citrate available in the UK.
Lixisenatide dm+d This codelist aims to identify the prescribing of lixisenatide, including in combination with insulin.
Long acting injectable and depot antipsychotics DM&D dm+d This code list contains the DM&D list of all antipsychotics that are available in long acting injectable form. It includes first generation (depot) antipsychotics and second generation long acting injections. Zuclopenthixol acetate which is a short/medium acting depot injection is not included.

See [Long Acting Inj & Depot Antipsychotics](https://codelists.opensafely.org/codelist/user/orlamac/long-acting-and-depot-injection-antipsychotics/065262d6/)
Long acting opioids 50mg to 119mg per day OME BNF ##### User requirements
A codelist is needed of all long acting opioids with an oral morphine equivalence (OME) of 50-119mg per day - used for analgesia (any route) excluding cough suppression, motility, general anaesthesia, opiate use disorder - this is for a project looking at opioid prescribing for patients on hospital waiting lists.

##### Sensitivity versus specificity
Long acting opioids greater than or equal to 120mg per day OME BNF ##### User requirements
A codelist is needed of all long acting opioids with an oral morphine equivalence (OME) of >= 120mg - used for analgesia (any route) excluding cough suppression, motility, general anaesthesia, opiate use disorder - this is for a project looking at opioid prescribing for patients on hospital waiting lists.

##### Sensitivity versus specificity
Long acting opioids greater than or equal to 120mg per day OME - dmd dm+d ##### User requirements
A codelist is needed of all long acting opioids with an oral morphine equivalence (OME) of >= 120mg - used for analgesia (any route) excluding cough suppression, motility, general anaesthesia, opiate use disorder - this is for a project looking at opioid prescribing for patients on hospital waiting lists.

##### Sensitivity versus specificity
Long acting opioids less than 50mg per day OME BNF ##### User requirements
A codelist is needed of all long acting opioids with an oral morphine equivalence (OME) of <50mg per day - used for analgesia (any route) excluding cough suppression, motility, general anaesthesia, opiate use disorder - this is for a project looking at opioid prescribing for patients on hospital waiting lists.

##### Sensitivity versus specificity
Low and medium dose ICS inhalers dm+d A list of low and medium dose inhaled corticosteroid (ICS) preparations at VMP and AMP from the [NHS Dictionary of Medicines and Devices](https://ebmdatalab.net/what-is-the-dmd-the-nhs-dictionary-of-medicines-and-devices/).
Low and medium dose multiple ingredient ICS inhalers dm+d A list of low and medium dose multpiple ingredient inhaled corticosteroid (ICS) preparations at VMP and AMP from the NHS Dictionary of Medicines and Devices.
Low and medium dose single ingredient ICS inhalers dm+d A list of low and medium dose single ingredient inhaled corticosteroid (ICS) preparations at VMP and AMP from the NHS Dictionary of Medicines and Devices.
Low molecular weight heparins BNF This codelist contains all preparations of low molecular weight heparins.
Low molecular weight heparins dm+d dm+d This dm+d codelist contains all preparations of low molecular weight heparins.
Lower Respiratory Tract Infection CTV3 Codes indicating a diagnosis of a lower respiratory tract infection excluding pneumonia
Lower respiratory tract infection - secondary care ICD-10 Identifies lower respiratory tract infections in hospital admissions.
Lung Cancer CTV3 Codes indicating a diagnosis of lung cancer
Lung Cancer (SNOMED) SNOMED CT Automatically-generated equivalent of [Lung Cancer](/codelist/opensafely/lung-cancer/)
Malabsorption due to gastrointestinal surgery SNOMED CT This codelist aims to identify gastrointestinal surgeries resulting in malabsorption of vitamin D. It is developed for the purpose of the vitamin D study (indications for vitamin D testing/ prescribing).
Malabsorption due to other causes SNOMED CT This codelist identifies malabsorption syndromes. It is designed for the purpose of the vitamin D study (indications for vit. D testing/ prescribing) and therefore focused on the malabsorption of lipids.

To be used correctly and cover all potential causes of malabsorption, this codelist should be used alongside the following codelists: Coeliac disease, Crohn's disease, Cystic Fibrosis, Pancreatic Insufficiency, Malabsorption due to gastrointestinal surgery.
Malabsorption due to pancreatic insufficiency SNOMED CT This codelist defines pancreatic insufficiency to define malabsorption disorders for the purpose of the vitamin D study.
For this reason, it focuses on exocrine insufficiency of lipid absorption, as opposed to endocrine insufficiency (diabetes is not included by default).
Mechanical or Artificial Valves SNOMED CT
Medication Review - OpenSAFELY Service Restoration Observatory SNOMED CT
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