Codes indicating COVID-19 case (1 of 13 possible types of CTV3 codes that contain information related to COVID-19)

SNOMED diagnosis codes for identifying people presenting to A&E with COVID-19. These codes are intended for use with NHS Emergency Care Data Set (ECDS) data only. Note that 1240751000000100 is deprecated as of 31 March 2022. The other three codes (1325171000000109, 1325181000000106, 1325161000000102) were introduced on 1 July 2021.

Exclusion criteria for identifying COVID-19 in primary care when using a maximally sensitive codelist. This codelist has been created to be used in research where you are aiming to identify cases of COVID-19 in primary care using a maximally sensitive codelist (see references) and must then use an exclusion criteria to ensure you are not identifying patients incorrectly.

Codelist created to identify Covid-19 in primary care without testing, medications provided by NHS England

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

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.