OpenSAFELY codelists


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ACE Inhibitor Medications dm+d

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

Absence of Appendix CTV3

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

Acute Appendicitis CTV3

Codes that indicate an episode of acute appendicitis

Acute transverse myelitis ICD-10 ICD-10

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'.

Adrenaline Pens dm+d

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.

Adrenaline auto-injectors BNF
Alanine aminotransferase (ALT) tests SNOMED CT

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

Alanine aminotransferase (ALT) tests (numerical value) SNOMED CT

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.

Alpha-Adrenoceptor Blocking Drugs dm+d

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

Amputation CTV3

Codelist for defining the presence of a history of amputation

Amputation OPCS-4 procedure codes OPCS-4

OPCS-4 codes to identify amputations following orthopaedic surgery

Amputation of lower limb CTV3

This captures amputation of the lower limb for the risk prediction project. Other studies requiring amputation codes should refer to the full codelist, under 'Amputation'.

Angiotensin II Receptor Blockers (ARBs) dm+d

The following notebook contains medicines that are angiotensin II receptor antagonists from the RAS section of BNF codes. All combination products have been excluded and the list has been cross refereneced with the actual BNF for "Other drugs in the class ace inhibitors".

Ankylosing Spondylitis CTV3
Antidiabetic drugs dm+d

This codelists contains all the NHS dictionary of medicines and devices codes for "antidiabetic drugs" as specified by the BNF coding system. This does not include insulin.