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HelpTest Code URE-24H Urea Nitrogen, Urine 24 Hour
Synonyms/Keywords
Urine Nitrogen, 24 Hour
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Urine | 24H Urine Jug Urine Container | 10 mL aliquot | 1 mL aliquot |
Collection/Processing Instructions
Aliquots are taken from a well-mixed 24 hour collection without preservative.
Indicate the collection time and total volume.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine - No Preservative | Ambient | 2 hours |
| Refrigerated | 4 days |
Test Components
Urine Urea Nitrogen and Creatinine
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| All Performing Sites | 12-20 g/24 hr |
Marshfield Labs Performing Department
Marshfield Labs Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Marshfield | Monday through Sunday | 6-8 hours | Urease GLDH & Modified Jaffe Assays/ Beckman AU |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 84540 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 84540 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Urea Nitrogen 24 Hour Urine |