Urea Nitrogen, Urine
| CPT Code(s): | 84540 |
| Specimen Required: | Patient Preparation: Collect:24-hour urine with no additive.Refrigerate during collection. Also acceptable: Random urine. Specimen Preparation:Transfer 3 mL aliquot from a well-mixed 24-hour collection to an RDL Standard Transport Tube. (Min: 0.5 mL) Record total volume and collection time interval on transport tube and test request form. Storage/Transport Temperature:Refrigerated. Stability:Ambient: 48 hours; Refrigerated: 1 week; Frozen: 1 month |
| New York DOH Approval Status: | This test is New York DOH approved. |
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