The codelist contains medicines that are ACE Inhibitors from the RAS section of BNF codes.

Codes that indicate an absence of an appendix, either as a clinical finding or due to appendicectomy

Codes that indicate an episode of acute appendicitis

A collection of non-specific codes relating to acute respiratory illnesses (ARI) not including pathogen specific codes. To be used in conjunction with WHO definition of Influenza-like-illness. To be used to detect influenza cases with more sensitivity, rather than specificity.

A collection of non-specific codes relating to acute respiratory illnesses (ARI) not including pathogen specific codes. Adapted from WHO definition of Influenza-like-illness, whereas with the primary care ARI codelist (see references) fever and cough can be used to build a build a full ILI profile, in secondary care this is more difficult so just the ARI codelist is used. To be used to detect influenza cases with more sensitivity, rather than specificity.

Acute transverse myelitis ICD-10 codelist for use with hospital and mortality data

Codelist aims to be specific rather than sensitive, and to describe acute transverse myelitis occuring on its own rather than myelitis as part of a broader disease process such as encephalomyelitis or ADEM. Does not include codes which are not specific to acute transverse myelitis, e.g. such as 'Encephalitis, myelitis and encephalomyelitis'.

Codelist for addictive medicines. Including Z-drugs, benzodiazepines, gabapentinoids

This list contains dm+d entries for adrenaline auto-injectors, commonly know as pens, which are used by people when they experience an emergency allergic reaction.

Codelist to identify patients with advanced decompensated cirrhosis of the liver.

Decompensated cirrhosis is defined as an acute deterioration in liver function in a patient with cirrhosis and is characterised by jaundice, ascites, hepatic encephalopathy, hepatorenal syndrome or variceal haemorrhage. (Moreau et al, 2013)

The codelist takes into account the conditions which characterise advanced decompensated cirrhosis of the liver listed above as well as codes for cirrhosis.

Note: This version does not include codes related to primary biliary cirrhosis. Additionally reviewer by Dr Karen Waller.

Codelist to identify patients with advanced decompensated cirrhosis of the liver and severe liver disease.

Decompensated cirrhosis is defined as an acute deterioration in liver function in a patient with cirrhosis and is characterised by jaundice, ascites, hepatic encephalopathy, hepatorenal syndrome or variceal haemorrhage. (Moreau et al, 2013)

The codelist takes into account the conditions which characterise advanced decompensated cirrhosis of the liver listed above as well as the code for cirrhosis.

NOTE: This version has taken out codes related primary biliary cirrhosis as our study used this study population and we used the codelist to identify severe disease. We have also added some terms to make sure we capture all severe disease such as HCC and gastric varicies. The update was carried out with Dr Karen Waller at the University Sydney.

This codelist was developed to identify patients receiving a alanine transferaminase test, as an indicator of a liver function test.

This codelist was developed to identify patients receiving a alanine tranfseraminase test, as an indicator of a liver function test, where a numerical value is recorded.

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

This code list contains NHS dm+d codes for alpha-adrenoceptor blocking Drugs in the cardiovascular chapter of BNF codes.