Residual Urea Clearance (KrU) (Urine, Urea Clearance)
| Specimen | Urine Aliquot from a 24 Hour Urine and Plasma |
| Container Type | 1 White Top Tube (Urine)
and 1 Green Top Tube (Plasma)
|
| Stability | 4 days for urine, 7 days for plasma |
| Report Available | 1 day |
| Methodology | Urease/GLDH |
| Reference Range | N/A |
| Transport Temp | Refrigerate 2°-8°C |
| Instructions | Record the 24-hr urine volume (mL), total urine collection time (min), height (cm) and dry weight (kg) |
| Analytes | Urine Urea Nitrogen/BUN |
| Calculations | KrU, Kt/V Residual |
| Additional Info | Kt/V Residual will be added to the hemodialysis Kt/V adequacy panels up to 90 days with the exception on Kt/V Jindal. |
| CPT Code | 84545 |
