This code list contains codes from the NHS dictionary of medicines and devices (dm+d) that are known as Tricyclic Antidepressants. All formulations of these medicines have been included, except for those that are presented in a combined formulation with other drugs. All tricyclic antidepressants are licensed for the treatment of depression and some of them are licensed for the treatment of anxiety disorders. Certain tricyclic antidepressants are licensed for unusual psychiatric conditions e.g. clomipramine for cataplexy associated with narcolepsy. Some are also licensed for non-psychiatric indications, including migraine, neuropathic pain, headache.

Codes explicitly indicating Type 1 Diabetes

Codes explicity indicating Type 1 Diabetes (secondary care)

Codes explicitly indicating Type 2 Diabetes

VTE codes classified into cvt, dvt, pe, hepatic, smv, unspecified and other.

Codes indicating incident/ history of valvular atrial fibrillation (codes indicating artificial valves and mitral stenosis).

DEFINITION: A history of venous thromboembolic disease

Variables: (1) a binary variable denoting the presence of one of the codes at any point in the patient record. (2) the earliest date of such a code.

ICD-10 codelist for any history of venous thromboembolism.

This differs from the existing OpenSAFELY codelist incident VTE by including codes that specify the event occured during pregnancy or post partum, and post thrombotic syndrome, and by further clarifying type (site) of VTE.

Codelist created by Liang-Yu Lin using the SNOMED - BNF mapping tool provided by NHS for publication '"The Association between Vitamin D and Incident Herpes Zoster: A UK Biobank Study"

https://github.com/liang-yu12/ukbvdhzpublish/blob/376501dfbb670fe351337480024539fb0dd06877/codelists/exposurevitddrug/vitddrugdmd.csv

This is a codelist to identify all warfarin preparations in the NHS dictionary of medicines and devices.

Returns body weight measurements.

CTV3 (READ V3) codelist for Worms

CTV3 codelist for chronic inflammatory demyelinating polyneuropathy (no corresponding ICD-10 codes found)

Codes for type 1 and type 2 diabetes.