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



Coding system
CTV3 (Read V3)
Project
OpenSAFELY
Codelist ID
opensafely/covid-identification-in-primary-care-suspected-covid-nonspecific-clinical-assessment
Version
2020-07-16

Description

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

Methodology

Search of TPP CTV3 codes for terms relating to coronavirus, with additional (manual) check for any missing terms against the SNOMED list of COVID-19 related codes.

Classification as "case" was then performed following review of terms by six OpenSAFELY team members (including epidemiologists, clinicians, statisticians and infectious disease modellers).

References

Signed off by

  • Laurie Tomlinson, LSHTM (July 16, 2020)
  • Krishnan Bhaskaran, LSHTM (July 16, 2020)

This definition has been computed by taking the manually created full codelist and converting it to a list of rules that define the codelist.

CTV3ID CTV3PreferredTermDesc CTV3Source
Y244b 1-minute sit-to-stand test score (observable entity)
Y244d 40-step test score (observable entity)
Y244f Assessment using 1-minute sit-to-stand test (procedure)
Y245a Assessment using 40-step test (procedure)
Y245b Assessment using exertional desaturation test (procedure)
Y245e Peripheral blood oxygen saturation level on room air on exertion decreased (finding)
Y245f Peripheral blood oxygen saturation level on room air on exertion unchanged (finding)
Y246a Peripheral blood oxygen saturation level on supplemental oxygen on exertion decreased (finding)
Y246b Peripheral blood oxygen saturation level on supplemental oxygen on exertion unchanged (finding)

Codes in the definition are underlined. Codes in the full codelist are in blue. Related codes not in the codelist are in black.