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Consensus on suggested monitoring frequency of biochemical parameters of CKD-MBD according to CKD GFR categories in the region
| CKD GFR category | Calcium /phosphate |
Intact PTH | 25-hydroxyvitamin D | Alkaline phosphatase |
|---|---|---|---|---|
| G3a | Yearly | Yearly | Nil | Yearly |
| G3b | Yearly | Yearly | Nil | Yearly |
| G4 | 6 mo | Yearly | Nil | 6 mo |
| G5 | 3 mo | 6 mo | Nil | 3 mo |
| G5D | 3 mo | 6 mo | Nil | 3 mo |
CKD-MBD, chronic kidney disease–mineral bone disorder; GFR, glomerular filtration rate; PTH, parathyroid hormone.
