Urea Nitrogen, Urine Random
Test Mnemonic
UUNR
CPT Codes
- 84540 - QTY (1)
LOINC ®
3095-7
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 5 mL | Urine, random | Clean container | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 2 days |
| Refrigerated | 7 days |
| Frozen | 1 month |
Days Performed
Sun - Sat
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Urease |
Reference Range
| Urea Nitrogen, Urine Random | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 140 - 1500 | mg/dL |
Clinical Info
Evaluation of renal function