| VitD | Vitamin D |
| ALP | Alkaline phosphatase |
| BM | Biomarker |
| Ca | Calcium |
| CI | Confidence intervals |
| CKD | Chronic kidney disease |
| CV | Coefficient of variation |
| DGKL | Deutsche Gesellschaft für Klinische Chemie und Laboratoriumsmedizin |
| eGFR | Estimated glomerular filtration rate |
| iCa | Ionized calcium |
| IFU | Instruction for use |
| iPTH | Intact parathyroid hormone |
| LRL | Lower reference limit |
| Mg | Magnesium |
| PTH | Parathyroid hormone |
| RI | Reference interval |
| TML | Truncated maximum likelihood |
| URL | Upper reference limit |
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