OPCS-4 codes for all emergency orthopaedic procedures

This code list contains the DM&D list of medicines that are known as First Generation Antipsychotics. All formulations of these medicines have been included, except for long acting depot antipsychotics and all formulations of prochlorperazine which are included in separate code lists. All of these antipsychotics are dopamine antagonists and licensed in some form for the treatment of psychosis, although some (e.g. flupentixol) may be licensed and used for other indications such as depression. D…

This codelist aims to identify people who have had an assessment which evaluates the risk of bone fractures.

These are general fracture fixation OPCS-4 procedural codes
These OPCS-4 procedure codes need an additional ICD-10 diagnosis code to confirm that it was for an emergency rather than non-emergency procedure (defined as urgent or elective)
Emergency surgery defined as P1a and P1b as per Royal College of Surgeons Surgical Prioritisation Guidelines

Codelist for creating binary variable capturing fragilities/fractures

Codes indicating diagnosis of either a GI bleed or a GI ulcer

Automatically-generated equivalent of [GI Bleed or Ulcer](/codelist/opensafely/gi-bleed-or-ulcer/)

This codelist contains NHS Dictionary of Medicines and Devices (dm+d) codes for GLP-1 mimetics, excluding products which are combined with insulin. Note that some GLP-1 products are licenced for the indication of diabetes and some for the indication of weight loss; all indications are included in this codelist.

This codelist contains NHS Dictionary of Medicines and Devices (dm+d) codes for products which contain a GLP-1 mimetics in combination with insulin.

Codes to define gastrointestinal bleeding in ONS death data.

Codes indicating a diagnosis of Temporal Arteritis or Giant Cell Arteritis

This codelist aims to identify glucocorticoids that are associated with a high risk of osteoporosis when administered on a long-term basis.

A SNOMED CT codelist for patients receiving monitoring of glycated haemoglobin (HbA1c) tests.

A SNOMED CT codelist for patients receiving monitoring of glycated haemoglobin (HbA1c) tests, which contains a numerical value using the newer IFCC units.

A CTV3 codelist for patients receiving monitoring of glycated haemoglobin (HbA1c) tests using reference methods standardised by the International Federation of Clinical Chemistry and Laboratory Medicine (IFCC).

Note that for tests before 2018, test values in the East region appear to be recorded on a different scale (approximately 4 to 8-times greater than mean values in other regions). This issue is being investigated.