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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Breast Surgery - Excision or biopsy of lymph node (Clean) (T87) OPCS-4
Procedure category: Breast Surgery - Breast reconstruction, mammoplasty, excision of lesion, tissue or breast including radical, modified, or quadrant resection, lumpectomy, incisional biopsy The minimum wound class for breast surgery is clean.

Procedure subcategory: Excision or biopsy of lymph node (Clean) (T87)
Breast Surgery - Other excision of breast (Clean) (B28) OPCS-4
Procedure category: Breast Surgery - Breast reconstruction, mammoplasty, excision of lesion, tissue or breast including radical, modified, or quadrant resection, lumpectomy, incisional biopsy The minimum wound class for breast surgery is clean.

Procedure subcategory: Other excision of breast (Clean) (B28)
Breast Surgery - Other lymph node (Clean) (O14) OPCS-4
Procedure category: Breast Surgery - Breast reconstruction, mammoplasty, excision of lesion, tissue or breast including radical, modified, or quadrant resection, lumpectomy, incisional biopsy The minimum wound class for breast surgery is clean.

Procedure subcategory: Other lymph node (Clean) (O14)
Breast Surgery - Other plastic operations on breast (Clean) (B31) OPCS-4
Procedure category: Breast Surgery - Breast reconstruction, mammoplasty, excision of lesion, tissue or breast including radical, modified, or quadrant resection, lumpectomy, incisional biopsy The minimum wound class for breast surgery is clean.

Procedure subcategory: Other plastic operations on breast (Clean) (B31)
Breast Surgery - Prosthesis for breast (Clean) (B30) OPCS-4
Procedure category: Breast Surgery - Breast reconstruction, mammoplasty, excision of lesion, tissue or breast including radical, modified, or quadrant resection, lumpectomy, incisional biopsy The minimum wound class for breast surgery is clean.

Procedure subcategory: Prosthesis for breast (Clean) (B30)
Breast Surgery - Reconstruction of breast (Clean) (B29) OPCS-4
Procedure category: Breast Surgery - Breast reconstruction, mammoplasty, excision of lesion, tissue or breast including radical, modified, or quadrant resection, lumpectomy, incisional biopsy The minimum wound class for breast surgery is clean.

Procedure subcategory: Reconstruction of breast (Clean) (B29)
Breast Surgery - Reconstruction of breast using abdominal flap (Clean) (B39) OPCS-4
Procedure category: Breast Surgery - Breast reconstruction, mammoplasty, excision of lesion, tissue or breast including radical, modified, or quadrant resection, lumpectomy, incisional biopsy The minimum wound class for breast surgery is clean.

Procedure subcategory: Reconstruction of breast using abdominal flap (Clean) (B39)
Breast Surgery - Reconstruction of breast using flap of skin of buttock (Clean) (B38) OPCS-4
Procedure category: Breast Surgery - Breast reconstruction, mammoplasty, excision of lesion, tissue or breast including radical, modified, or quadrant resection, lumpectomy, incisional biopsy The minimum wound class for breast surgery is clean.

Procedure subcategory: Reconstruction of breast using flap of skin of buttock (Clean) (B38)
Breast Surgery - Sampling of lymph nodes (Clean) (T86) OPCS-4
Procedure category: Breast Surgery - Breast reconstruction, mammoplasty, excision of lesion, tissue or breast including radical, modified, or quadrant resection, lumpectomy, incisional biopsy The minimum wound class for breast surgery is clean.

Procedure subcategory: Sampling of lymph nodes (Clean) (T86)
Breast Surgery - Total excision of breast (Clean) (B27) OPCS-4
Procedure category: Breast Surgery - Breast reconstruction, mammoplasty, excision of lesion, tissue or breast including radical, modified, or quadrant resection, lumpectomy, incisional biopsy The minimum wound class for breast surgery is clean.

Procedure subcategory: Total excision of breast (Clean) (B27)
Breast cancer screening codes SNOMED CT
Taken from the `BRCANSCR_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/).
Breathlessness 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
Breathlessness SNOMED CT
Published by REDUCEHF
Breathlessness codes SNOMED CT
Taken from the `BREATHLESS_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/).
Brief intervention for excessive alcohol consumption codes SNOMED CT
Taken from the `ALCBRINT_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/).