OpenCodelists

Welcome to OpenCodelists, created by OpenSAFELY for creating and sharing codelists.

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

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Higher dose PPIs (excluding liquids) BNF
Used by the following [OpenPrescribing](https://openprescribing.net) measures:

* [Higher dose Proton Pump Inhibitors (PPIs)](https://openprescribing.net/measure/ppidose/)
Published by OpenPrescribing
Hip replacement - Hybrid prosthetic replacement of hip joint using cement (Clean) (W95) OPCS-4
Procedure category: Hip replacement - Replacement of the hip joint, including resurfacing of any part of the joint, revision of a previous replacement and conversion from a previous hemiarthroplasty or bone fixation. Excludes replacement of head of femur alone (see Repair of neck of femur). The minimum wound class for hip replacement surgery is clean.

Procedure subcategory: Hybrid prosthetic replacement of hip joint using cement (Clean) (W95)
Hip replacement - Hybrid prosthetic replacement of hip joint using cemented acetabular component (Clean) (W93) OPCS-4
Procedure category: Hip replacement - Replacement of the hip joint, including resurfacing of any part of the joint, revision of a previous replacement and conversion from a previous hemiarthroplasty or bone fixation. Excludes replacement of head of femur alone (see Repair of neck of femur). The minimum wound class for hip replacement surgery is clean.

Procedure subcategory: Hybrid prosthetic replacement of hip joint using cemented acetabular component (Clean) (W93)
Hip replacement - Hybrid prosthetic replacement of hip joint using cemented femoral component (Clean) (W94) OPCS-4
Procedure category: Hip replacement - Replacement of the hip joint, including resurfacing of any part of the joint, revision of a previous replacement and conversion from a previous hemiarthroplasty or bone fixation. Excludes replacement of head of femur alone (see Repair of neck of femur). The minimum wound class for hip replacement surgery is clean.

Procedure subcategory: Hybrid prosthetic replacement of hip joint using cemented femoral component (Clean) (W94)
Hip replacement - Other prosthetic replacement of other bone (Clean) (W54) OPCS-4
Procedure category: Hip replacement - Replacement of the hip joint, including resurfacing of any part of the joint, revision of a previous replacement and conversion from a previous hemiarthroplasty or bone fixation. Excludes replacement of head of femur alone (see Repair of neck of femur). The minimum wound class for hip replacement surgery is clean.

Procedure subcategory: Other prosthetic replacement of other bone (Clean) (W54)
Hip replacement - Other reconstruction of joint (Clean) Exclude: Some similar operations for correction of congenital deformity (X19-X27) (W58) OPCS-4
Procedure category: Hip replacement - Replacement of the hip joint, including resurfacing of any part of the joint, revision of a previous replacement and conversion from a previous hemiarthroplasty or bone fixation. Excludes replacement of head of femur alone (see Repair of neck of femur). The minimum wound class for hip replacement surgery is clean.

Procedure subcategory: Other reconstruction of joint (Clean) Exclude: Some similar operations for correction of congenital deformity (X19-X27) (…
Hip replacement - Other total prosthetic replacement of hip joint (Clean) (W39) OPCS-4
Procedure category: Hip replacement - Replacement of the hip joint, including resurfacing of any part of the joint, revision of a previous replacement and conversion from a previous hemiarthroplasty or bone fixation. Excludes replacement of head of femur alone (see Repair of neck of femur). The minimum wound class for hip replacement surgery is clean.

Procedure subcategory: Other total prosthetic replacement of hip joint (Clean) (W39)
Hip replacement - Prosthetic replacement of articulation of other bone not using cement (Clean) (W53) OPCS-4
Procedure category: Hip replacement - Replacement of the hip joint, including resurfacing of any part of the joint, revision of a previous replacement and conversion from a previous hemiarthroplasty or bone fixation. Excludes replacement of head of femur alone (see Repair of neck of femur). The minimum wound class for hip replacement surgery is clean.

Procedure subcategory: Prosthetic replacement of articulation of other bone not using cement (Clean) (W53)
Hip replacement - Prosthetic replacement of articulation of other bone using cement (Clean) (W52) OPCS-4
Procedure category: Hip replacement - Replacement of the hip joint, including resurfacing of any part of the joint, revision of a previous replacement and conversion from a previous hemiarthroplasty or bone fixation. Excludes replacement of head of femur alone (see Repair of neck of femur). The minimum wound class for hip replacement surgery is clean.

Procedure subcategory: Prosthetic replacement of articulation of other bone using cement (Clean) (W52)
Hip replacement - Total prosthetic replacement of hip joint not using cement (Clean) (W38) OPCS-4
Procedure category: Hip replacement - Replacement of the hip joint, including resurfacing of any part of the joint, revision of a previous replacement and conversion from a previous hemiarthroplasty or bone fixation. Excludes replacement of head of femur alone (see Repair of neck of femur). The minimum wound class for hip replacement surgery is clean.

Procedure subcategory: Total prosthetic replacement of hip joint not using cement (Clean) (W38)
Hip replacement - Total prosthetic replacement of hip joint using cement (Clean) (W37) OPCS-4
Procedure category: Hip replacement - Replacement of the hip joint, including resurfacing of any part of the joint, revision of a previous replacement and conversion from a previous hemiarthroplasty or bone fixation. Excludes replacement of head of femur alone (see Repair of neck of femur). The minimum wound class for hip replacement surgery is clean.

Procedure subcategory: Total prosthetic replacement of hip joint using cement (Clean) (W37)
History of Atrial fibrillation or flutter codes SNOMED CT
Taken from the `AFHIST_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/).
History of Atrial fibrillation or flutter codes (obsolete) SNOMED CT
Taken from the `AFHIST_COD` refset published by NHSD.
Home and ambulatory blood pressure recording codes SNOMED CT
Taken from the `HOMEAMBBP_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/).
Homeless SNOMED CT
Taken from the `HOMELESS_COD` fields in SARS-CoV2 (COVID-19) Vaccine Uptake Reporting Codes v.1.5.3