| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| No | No | Not present | ||
| Possible | Possible | The summary of evidence suggests less than 50% confidence level | ||
| Probable | Probable | The summary of evidence suggests greater than 50% confidence level | ||
| Definite | Definite | The summary of evidence suggests 100% confidence level | ||
| Unknown | Unknown | The summary of evidence is not sufficient to support a finding | ||
| N/A | N/A | Not Applicable, to be used at the discretion of the Principal Investigator based on study design |