Sodium, Timed Urine
| Sunquest Code: | UNAT | ||
| Epic Code: | LAB445 | Epic Name: | Sodium Timed Urine |
| Order Instructions: | Order UACOL in addition to UNAT. Enter collection volume and duration. | ||
| Synonyms: | UNAT | ||
| Methodology: | Indirect potentiometric | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Urine, timed collection (20 to 28 hours) |
| Optimal Volume: | Submit entire collection; analysis requires 0.2 mL |
| Container: | 3 L plastic jug (Plastic leakproof container, sterile) |
Processing and Shipping
| Specimen Processing: | Mix collection well before aliquot is taken. Aliquot 5 mL, 0.2 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | Specimens containing red cells or precipitate must be centrifuged. Urine containing bladder fluid is acceptable. Enter coded comment IRRFL (urine contains bladder irrigation fluid). Stability: Room or refrigerated temperature - 1 week; frozen - 1 year. |
| Test Performed at or Referral Lab | Chemistry (Fairview Range - FRMC, UMMC-East Bank, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank) |
Interpretive
| Reference Range: | 40-220 mmol/24 hours; varies with diet. |
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