Electrolytes, Fractional Excretion

Test Name: Diagnostic Section: Fee:
Electrolytes, Fractional Excretion Clinical Pathology Varies**
Species: Set up days: Turn Around Time:
Most Species (exc. primates) M, Tu, W, Th, F  Same day *
Specimen Requirements:    
2-4 ml urine and 1-2 ml serum or plasma
Collection Protocol:    
Samples must be collected at the same time.  Collect urine in red top tube.  Collect blood in red top or green top tube, separate serum/plasma promptly.
Shipping Requirements:    
Refrigerated, in leak proof tube(s).  Overnight or 2-day shipping is recommended. 
Additional Information:    
Note: Furosemide alters values and should not be used prior to sample collection.
**Electrolytes are $12 each with the exception of $24 for Creatinine.
* Results available same day if received by 4:00 pm.