Screening Intervals for Complications of Chronic Kidney Disease by Stage
| Stage | Complete Blood Count | Intact PTH | Phosphorus/Calcium | Total CO2 |
|---|---|---|---|---|
| 3 (GFR 30–59) | 12 | 12 | 12 | 12 |
| 4 (GFR 15–29) | 12 | 3 | 3 | 3 |
| 5 (GFR <15) | 12 | 3 | 1 | 3 |
| Dialysis | 12 | 3 | 1 | 1 |
Values are presented as monthly intervals.
PTH, parathyroid hormone; GFR, glomerular filtration rate.