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Urea Reduction Ratio
| Item | Value |
|---|---|
| Available Stat? | No |
| Test code | URR |
| Test group | Urea |
| Performed by | Parnassus Chemistry |
| In House Availability | Test available 24 hours per day 7 days per week |
| Method | Enzymatic conductivity, kinetic (urease) |
| Container type | Gold top or Light green top |
| Amount to Collect | 1 mL blood Click here for Microdetermination info |
| Sample type | Serum or plasma |
| Preferred volume | 0.5 mL serum or plasma |
| Min. Volume | 0.2 mL serum or plasma Click here for Microdetermination info |
| Units | % |
| Normal range | |
| Synonyms | URR |
| Stability | Room temperature 8 hours, refrigerated 2 days, frozen at -20C 1 week. |
| Turn around times | 4 hours |
| Additional information | Urea Reduction Ratio orders include the following parameters: a. Post Dialysis BUN (mg/dL) b. Urea Reduction Ratio: (Pre-dialysis BUN – Post-dialysis BUN) x 100 / Pre-dialysis BUN = % c. Quick Kt/V (Jindal): [0.04 x (Pre-dialysis BUN – Post-dialysis BUN) – 1.2] / (Pre-dialysis BUN x 100) Quick Kt/V correlates with full Kt/V within the range 0.6 to 1.8 |
| CPT coding | 84520 |
| Last Updated | 1/30/2013 12:22:50 PM |
| Entry Number | 1170 |
| Lab Procedure Link | Click here for Procedure |
If you have additional questions regarding this test, please call: 415-353-1667