Category: ELECTROLYTE | Code: K2211
Sodium (Na), urine
Function
This test checks for sodium levels in the urine. This examination is helpful in differentiating pre-renal and tubular renal failure.
| Test Schedule | Estimated Test Result | Container | Substance | Stability |
|---|---|---|---|---|
| Monday-Saturday < 10 am | 1 day | Urine bag (toluene) | Urine | 2 days 20-25⁰C |
Condition
Urine is collected in a urine bag (toluene)
Method
Ion-Selective Electrode
Score Reference
1.6-5.8 g/day