Urea Clearance (UREA CLEAR)
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| Synonyms:
| None listed |
| Specimen: | Urine; 24 hour urine collection in a 24 hour container. Refrigerate sample during collection.
Instruct patient on proper 24 hour urine collection procedure. |
| Volume: | Entire collection or urine aliquot. |
| Minimum Volume: | 1 mL urine aliquot |
| Collection: | Refrigerate sample during collection. Submit 24 hour urine collection or a 10 mL urine aliquot with documentation of 24 hour volume on specimen and request form.
Refrigerate at 2-8°C for 7 days.
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| Rejection Criteria: | Improper labeling. |
| Reference Range: | None available |
| Methodology: | |
| Test Use: | Renal function test |
| Additional Information: | Prefer 24 hour urine collection. Indicate total volume of urine collection if aliquot is submitted. Indicate hours of urine collection. |
| Testing Includes: | Quatitative measurement of urea nitrogen (an end-product of nitrogen metabolism) in urine and urine total volume. |
| Testing Facility: | AnMed Laboratory |