| Ordering Code | 7745 |
|---|---|
| Test Name | Cockcroft-Gault Calculation |
| Alias | Serum Creatinine Clearance Cockcroft-Gault (CG) Formula 1973 Creatinine Clearance |
| Preferred Specimen | Serum |
| Preferred Container | SST (Gold) |
| Other Specimen/Container | Plasma in Lithium Heparin (Green), Serum in Plain (Red) |
| Optimum Volume | 0.5 mL |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 7 Days Refrigerated: 7 Days Frozen: 3 Months |
| Rejection Criteria | Specimen older than stability limits, Insufficient quantity |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
| Methodology | Jaffe Kinetic Colorimetric |
Reference range(s)
The reference ranges listed below are valid on this date of June 29, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Creatinine | ALL | 0.6-1.4 | 0.6-1.4 | mg/dL | |||||
| Weight | ALL | kg | See report. | ||||||
| Cockcroft-Gault Calc M | ALL | mL/minute | See report. | ||||||
| Cockcroft-Gault Calc F | ALL | mL/minute | See report. | ||||||
| Cockcroft-Gault Calc | ALL | mL/minute | See report. |