Codelist created to identify COVID-19 in primary care with as much sensitivity as possible

Codes that explicitly indicate COVID-19 allergy, or that the vaccine is contraindicated or not indicated. Includes inactive codes.

Codes to identify where someone did not attend an appointment also known as DNAs

Codes to identify where someone did not attend a second COVID-19 vaccination appointment also known as DNAs

A single code to denote when a vaccine is unavailable.

This is a list of NHS dictionary of medicines and devices oral non-seroidal anti-inflammatory drugs (NSAIDs) that specifically targets cyclooxygenase / COX-2 enzyme.

Patients who have received a cardiovascular risk score as listed in the QoF business rules

The codelist contains medicines that are classed as calcium channel blockers in BNF codes.

Codes indicating a diagnosis of a cancer other than lung cancer or haematological cancer

Automatically-generated equivalent of Cancer excluding lung and haematological

Chapter I of ICD-10 for cardiovascular mortality with variables separating out codes relating to myocardial infarction and heart failure. Previously used by Jeremy P. Brown and Krishnan Bhaskaran (see below).

This contains Medication Review activities, in common with other subsets of this type it does not include procedures with context already declared, e.g. Medication review declined.