Urea Nitrogen Urine Timed
Order Name
UUN TM U
Test Number: 3003275
Revision Date 06/04/2021
Test Number: 3003275
Revision Date 06/04/2021
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Total Urine Volume
|
3167-4 | |
|
Creatinine, Urine, mg/dL
|
Kinetic Alkaline Picrate (Jaffe) | 20624-3 |
|
Creatinine Urine Timed Estimated
|
||
|
Creatinine, Urine, 24 Hour
|
2162-6 | |
|
Urea, Urine, mg/dL
|
Urease/GLDH | 63481-6 |
|
Urea Nitrogen Timed Estimated
|
||
|
Urea, Urine, 24 Hour
|
48999-7 | |
|
Hours Collected - Prompt
|
30211-7 | |
|
Volume 24 Urine Prompt
|
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.5) | Urine, 24-hour | 24 hour Urine Container | Refrigerated |
| Instructions | Timed urine collection. No preservative. Record number of hours and volume in ml on the specimen container. Specimen stability: Ambient 2 days, Refrigerated 6 days, Frozen 1 month |
|||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Daily |
| Expected TAT | 1-2 days |
| Clinical Use | Useful as an aid in diagnosing renal function. |
| CPT Code(s) | 84540 (81050 if urine measured by RML) |
| Lab Section | Chemistry |