32238:SODIUM (Na), 24-HOUR URINE
Author PeaceHealth Laboratories
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| Methodology: |
Direct Potentiometry |
| Edit Date: |
3/17/2009 |
| Performed: |
Daily |
| Released: |
Same day as tested |
| CPT Code: |
84300 |
| Specimen Collection Details |
| Collection: |
24-hour urine in a 24-hour urine container. Collect without preservatives. Refrigerate during collection. Note time collection started and stopped. |
| Handling: |
Send complete collection in original container. If submitting aliquot, mix total collection well and measure and record total volume before pouring off into a sterile container. |
| Standard Volume: |
Total urine collection or 25 mL aliquot. |
| Minimum Volume: |
5 mL urine. |
| Transport: |
Refrigerated. |
| Rejection Criteria: |
Specimen collected in HCl; incomplete collection; specimen not refrigerated. |