Sodium Urine Timed
Order Name
SODIUM TMU
Test Number: 3003075
Revision Date 06/04/2021
Test Number: 3003075
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, 24 Hour
|
2162-6 | |
|
Creatinine Urine Timed Estimated
|
||
|
Sodium Urine mm/L
|
Ion-Selective Electrode | 21525-1 |
|
Sodium 24 Hour Urine
|
2956-1 | |
|
Sodium Urine Timed Estimated
|
||
|
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. Keep refrigerated. Specimen stability: Ambient 1 days, Refrigerated 6 days, Frozen 6 months |
|||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Mon - Fri |
| Expected TAT | 1-2 days |
| Clinical Use | Used to evaluate electrolyte balance, acute renal failure, acute oliguria and differential diagnosis of hyponatremia. |
| CPT Code(s) | 84300 (81050 if urine measured by RML) |
| Lab Section | Chemistry |