OpenSAFELY codelists


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COVID identification in primary care - suspected covid - isolation code CTV3

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

COVID identification in primary care - suspected covid - nonspecific clinical assessment CTV3

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

COVID identification in primary care - suspected covid - suspected codes CTV3

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

COVID identification in primary care - unrelated to case status CTV3

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

COVID-19 A&E diagnosis codes SNOMED CT

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.

COVID-19 Vaccination - Contraindication or Allergy SNOMED CT

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

COVID-19 Vaccination - Did not attend first appointment SNOMED CT

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

COVID-19 Vaccination - Did not attend second appointment SNOMED CT

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

COVID-19 Vaccination - First dose not given SNOMED CT
COVID-19 Vaccination - Second dose not given SNOMED CT
COVID-19 Vaccination Given SNOMED CT
COVID-19 Vaccination Unavailable SNOMED CT

A single code to denote when a vaccine is unavailable.

COX-2 Specific NSAIDs dm+d

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.

CVD risk assessment score QOF SNOMED CT

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

Calcium Channel Blockers dm+d

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