| miRNA | microRNA |
| ACR | Acute Cellular Rejection |
| CART | Classification and a Regression Tree |
| CO | Confidence Interval |
| HPS | HepatoTrack⢠Prediction Score |
| LOB | Limit of Blank |
| LOD | Limit of Detection |
| LLOQ | Lower Limit of Quantitation |
| ULOQ | Upper Limit of Quantitation |
| LDT | Laboratory Developed Test |
| NPV | Negative Predictive Value |
| PPV | Positive Predictive Value |
| FCLB | For-cause Liver Biopsy |