This lists contains CTV3 codes used to identify people who may have had diabetes ketoacidosis (DKA). It has been generated based on a [DKA snomed list](https://codelists.opensafely.org/codelist/opensafely/diabetes-ketoacidosis-snomed-dka-unspecific/2020-10-06/) using internal mappings. The SNOMED codelistlist was conceived to identify DKA in a specific group of patients in a specific time period, therefore we have been permissive in including unspecific codes which may not be suitable for all …

This lists contains codes used to identify people who may have had diabetes ketoacidosis (DKA). This list was conceived to identify DKA in a specific group of patients in a specific time period, therefore we have been permissive in including unspecific codes which may not be suitable for all studies.

Codes which likely indicate either Type 1 or Type 2 diabetes but are ambiguous.

ICD-10 codes for Diabetic Ketoacidosis

Codes indicating dialysis treatment, or preparation for dialysis

This code list contains diamorphine formulations which may be given subcutaneously.

This is a codelists that identifies all prepartaions from the [NHS dictionary of medicines and devices](https://ebmdatalab.net/what-is-the-dmd-the-nhs-dictionary-of-medicines-and-devices/) for Directing Oral Anticoagulants better knows as DOACs. They have previously been know as NOACs.

Codes indicating a diagnosis of influenza or influenza-like illness

Diagnoses of Down syndrome

This codelist aims to identify drugs that substantially increase the risk of vitamin D deficiency when administered on a long-term basis.

This is a codelist that identifies all preparations from the NHS dictionary of medicines and devices for edoxaban, one of the Directing Oral Anticoagulants which are often referred to as DOACs.

A list of codes indicating a main spoken language that is not English.

This codelist contains erythromycin formulations which may be given orally.

A list of ethnicity codes in use in UK general practice including aggregate grouping at two levels.

5+1 category labels are: