Table 1.
SNOMED description of COVID-19 diagnosis mapped to available ICPC/ICD-9 codes in primary care clinical histories and frequency of true positives found against SARS-CoV-2 lab positive test.
| SNOMED description | SNOMED codes | Frequency | Percentage |
|---|---|---|---|
| Coronavirus infection (disorder) | 186747009 | 10,249 | 49.12 |
|
| |||
| Disease caused by severe acute respiratory syndrome coronavirus 2 (disorder) | 840539006 | 8,677 | 41.58 |
|
| |||
| Diagnosis of COVID-19 infection confirmed by laboratory testing (disorder) | 63681000122103 | 1,740 | 8.34 |
|
| |||
| Pneumonia caused by Human coronavirus (disorder) | 713084008 | 107 | 0.51 |
|
| |||
| Pneumonia caused by severe acute respiratory syndrome coronavirus 2 (disorder) | 88278469100011910013084008 | 62 | 0.30 |
|
| |||
| Disease caused by Coronaviridae (disorder) | 27619001 | 20 | 0.10 |
|
| |||
| Polymerase chain reaction positive for severe acute respiratory syndrome coronavirus 2 (finding) | 62531000122108 | 7 | 0.03 |
|
| |||
| Asymptomatic severe acute respiratory syndrome coronavirus 2 infection (finding) | 189486241000119100 | 1 | 0.00 |
|
| |||
| Procedure for action related to case of disease due to SARS-CoV-2 (procedure) | 64121000122109 | 1 | 0.00 |
|
| |||
| Testing positive for IgG against SARS-CoV-2 (finding) | 64671000122103 | 1 | 0.00 |
|
| |||
| Outcome: case of COVID-19 still under follow-up (finding) | 63511000122107 | 1 | 0.00 |
|
| |||
| Positive result of rapid test for detection of IgM and IgG antibodies against SARS-CoV-2 in blood (finding) | 63621000122102 | 0 | - |
|
| |||
| Detection of severe acute respiratory syndrome coronavirus 2 (observable entity) | 871562009 | 0 | - |
|
| |||
| SARS-CoV-2 antigen testing positive (finding) | 64731000122108 | 0 | - |
|
| |||
| Secondary triage for severity level in patient with disease due to SARS-CoV-2 (procedure) | 64031000122106 | 0 | - |
|
| |||
| Diagnosis of COVID-19 infection confirmed by laboratory testing (disorder) | 63681000122103 | 0 | - |
|
| |||
| Detection of severe acute respiratory syndrome coronavirus 2 antigen (observable entity) | 871553007 | 0 | - |
|
| |||
| Positive serologic study for COVID-19 (finding) | 62951000122108 | 0 | - |
|
| |||
| Total | 20,866 | 100.00 | |