A lab card says “No data,” but that phrase could mean no matching record, a disconnected source, a delayed refresh, a filter mismatch, or a request failure. Collapsing those states into an empty chart makes uncertainty look like certainty. The interface needs two layers: what the source reports...
Source: [Dev.to](https://dev.to/babycat/design-a-health-dashboard-that-exposes-uncertainty-and-connection-errors-1412)