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.

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Below, you'll find all the codelists that have been used in OpenSAFELY research to date.

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Recombinant herpes zoster first vaccination codes (obsolete) SNOMED CT
Taken from the `SHVACGP1_COD` refset published by NHSD.
Recombinant herpes zoster second vaccination codes SNOMED CT
Taken from the `SHVACGP2_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/).
Recombinant herpes zoster second vaccination codes (obsolete) SNOMED CT
Taken from the `SHVACGP2_COD` refset published by NHSD.
Red blood cell (RBC) tests SNOMED CT
A SNOMED CT codelist for patients receiving monitoring of red blood cell (RBC) tests.
Published by OpenSAFELY
Red blood cell (RBC) tests (numerical value) SNOMED CT
A SNOMED CT codelist for patients receiving monitoring of red blood cell (RBC) tests with a numerical value
Published by OpenSAFELY
Reduced ejection fraction (heart failure) codes SNOMED CT
Taken from the `REDEJCFRAC_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/).
Reduction of long bone fracture (humerus, ulna, radius, femur, tibia and fibula) - Closed reduction of fracture of bone and internal fixation (Clean) (W24) OPCS-4
Procedure category: Reduction of long bone fracture (humerus, ulna, radius, femur, tibia and fibula) - Includes open or closed reduction of fracture of long bones requiring intramedullary or extramedullary fixation where an incision is made to establish fixation. Excludes: external fixation, hip replacement following fracture, fracture of the neck of femur or open reduction of small bones or intraarticular fracture.

Procedure subcategory: Closed reduction of fracture of bone and internal fixat…
Reduction of long bone fracture (humerus, ulna, radius, femur, tibia and fibula) - Other primary reduction of fracture of bone (Clean) (W22) OPCS-4
Procedure category: Reduction of long bone fracture (humerus, ulna, radius, femur, tibia and fibula) - Includes open or closed reduction of fracture of long bones requiring intramedullary or extramedullary fixation where an incision is made to establish fixation. Excludes: external fixation, hip replacement following fracture, fracture of the neck of femur or open reduction of small bones or intraarticular fracture.

Procedure subcategory: Other primary reduction of fracture of bone (Clean) (W2…
Reduction of long bone fracture (humerus, ulna, radius, femur, tibia and fibula) - Primary open reduction of fracture of bone and extramedullary fixation (Clean) (W20) OPCS-4
Procedure category: Reduction of long bone fracture (humerus, ulna, radius, femur, tibia and fibula) - Includes open or closed reduction of fracture of long bones requiring intramedullary or extramedullary fixation where an incision is made to establish fixation. Excludes: external fixation, hip replacement following fracture, fracture of the neck of femur or open reduction of small bones or intraarticular fracture.

Procedure subcategory: Primary open reduction of fracture of bone and extramed…
Reduction of long bone fracture (humerus, ulna, radius, femur, tibia and fibula) - Primary open reduction of fracture of bone and intramedullary fixation* (Clean) (W19) OPCS-4
Procedure category: Reduction of long bone fracture (humerus, ulna, radius, femur, tibia and fibula) - Includes open or closed reduction of fracture of long bones requiring intramedullary or extramedullary fixation where an incision is made to establish fixation. Excludes: external fixation, hip replacement following fracture, fracture of the neck of femur or open reduction of small bones or intraarticular fracture.

Procedure subcategory: Primary open reduction of fracture of bone and intramed…
Reduction of long bone fracture (humerus, ulna, radius, femur, tibia and fibula) - Secondary open reduction of fracture of bone (Clean) (W23) OPCS-4
Procedure category: Reduction of long bone fracture (humerus, ulna, radius, femur, tibia and fibula) - Includes open or closed reduction of fracture of long bones requiring intramedullary or extramedullary fixation where an incision is made to establish fixation. Excludes: external fixation, hip replacement following fracture, fracture of the neck of femur or open reduction of small bones or intraarticular fracture.

Procedure subcategory: Secondary open reduction of fracture of bone (Clean) (W…
Referral and signposting for long COVID SNOMED CT
This codelists contains referral and signposting codes for "long COVID".
Published by OpenSAFELY
Referral for assessment for familial hypercholesterolemia codes SNOMED CT
Taken from the `FAMHYPREF_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/).
Referral for electrocardiogram codes SNOMED CT
Taken from the `REFERECG_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/).
Referral for hypertensive emergency codes SNOMED CT
Taken from the `HYPREF_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/).