also known as Urea nitrogen/Creatinine in 24 hour Urine
| # | Retailer | Lab | Seen | Price | |
|---|---|---|---|---|---|
| 1 | Jason Healthcheapest via Quest · seen today | Quest | today | $35 | order → |
| 2 | LabsMD seen today | — | today | $104 | order → |
| Uric Acid | 13 retailers | $5 |
| Creatinine Clearance | 10 retailers | $9 |
| Renal Function Test Panel | 8 retailers | $5 |
| Cystatin-C | 7 retailers | $18 |
| Creatinine, Random Urine | 6 retailers | $15 |
| Creatinine | 6 retailers | $5 |
| Plasma Renin Activity Test | 6 retailers | $83.95 |
| Protein, Total, 24-Hour Urine with Creatinine | 6 retailers | $29 |