| Ca | Calcium |
| Ca × P | Calcium-Phosphorus product |
| CKD | Chronic Kidney Disease |
| CKD-MBD | Chronic Kidney Disease-Mineral and Bone Disorder |
| EAD | Bulgarian Solely Owned Joint Stock Company |
| ESRD | End-Stage Renal Disease |
| FGF23 | Fibroblast Growth Factor 23 |
| KDOQI | Kidney Disease Outcomes Quality Initiative |
| KDIGO | Kidney Disease: Improving Global Outcomes |
| Mg | Magnesium |
| MgCO3 | Magnesium carbonate |
| MS | Microsoft |
| P | Phosphate |
| PTH | Parathyroid hormone |
| SD | Standard deviation |