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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Lifestyle advice codes SNOMED CT
Taken from the `LSADV_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Lifestyle intervention and advice codes SNOMED CT
Taken from the `LIFESTYLEINT_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Limb amputation - Amputation of arm (X07) OPCS-4
Procedure category: Limb amputation - Total or partial amputation or disarticulation of the upper or lower limbs, including digits Wound class: Amputations where the limb is ischaemic, or where dry gangrene is present should be classified as clean. Amputations through, or adjacent to, an area of acute inflammation (without pus or ulceration) should be classified as contaminated. Amputations adjacent to, or through necrotic ulcers and/or purulent areas should be classified as dirty.

Procedure s…
Limb amputation - Amputation of foot (X10) OPCS-4
Procedure category: Limb amputation - Total or partial amputation or disarticulation of the upper or lower limbs, including digits Wound class: Amputations where the limb is ischaemic, or where dry gangrene is present should be classified as clean. Amputations through, or adjacent to, an area of acute inflammation (without pus or ulceration) should be classified as contaminated. Amputations adjacent to, or through necrotic ulcers and/or purulent areas should be classified as dirty.

Procedure s…
Limb amputation - Amputation of hand (X08) OPCS-4
Procedure category: Limb amputation - Total or partial amputation or disarticulation of the upper or lower limbs, including digits Wound class: Amputations where the limb is ischaemic, or where dry gangrene is present should be classified as clean. Amputations through, or adjacent to, an area of acute inflammation (without pus or ulceration) should be classified as contaminated. Amputations adjacent to, or through necrotic ulcers and/or purulent areas should be classified as dirty.

Procedure s…
Limb amputation - Amputation of leg (X09) OPCS-4
Procedure category: Limb amputation - Total or partial amputation or disarticulation of the upper or lower limbs, including digits Wound class: Amputations where the limb is ischaemic, or where dry gangrene is present should be classified as clean. Amputations through, or adjacent to, an area of acute inflammation (without pus or ulceration) should be classified as contaminated. Amputations adjacent to, or through necrotic ulcers and/or purulent areas should be classified as dirty.

Procedure s…
Limb amputation - Amputation of toe (X11) OPCS-4
Procedure category: Limb amputation - Total or partial amputation or disarticulation of the upper or lower limbs, including digits Wound class: Amputations where the limb is ischaemic, or where dry gangrene is present should be classified as clean. Amputations through, or adjacent to, an area of acute inflammation (without pus or ulceration) should be classified as contaminated. Amputations adjacent to, or through necrotic ulcers and/or purulent areas should be classified as dirty.

Procedure s…
Lipid therapy contraindicated codes SNOMED CT
Taken from the `LIPIDTHERCON_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Lipid therapy declined codes SNOMED CT
Taken from the `LIPIDTHERDEC_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Lipid therapy not indicated codes SNOMED CT
Taken from the `LIPIDTHERNIND_COD` refset published by NHSD. Contains public sector information licensed under the UK Open Government Licence v3.0 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/).
Lipid-lowering medications BNF
This codelist aims to identify the prescribing of lipid-lowering medications.
Published by OpenSAFELY
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.
Published by OpenSAFELY
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.
Published by OpenSAFELY
Lisdexamfetamine BNF
BNF codelist for lisdexamfetamine
Published by OpenSAFELY
Lisdexamfetamine - dmd dm+d
dm+d codelist for lisdexamfetamine
Published by OpenSAFELY