Sodium, Timed Urine
| Abbrev Code: | UNAT | ||
| Order Code: | LAB445 | Order Name: | Sodium Timed Urine |
| Synonyms: | UNAT | ||
| Methodology: | Roche: Indirect ion selective electrode
Vista: Indiret potentiometric Architect: ISE, diluted |
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| CPT Codes: | 84300 x1, 84300 x1, 81050 x1 | ||
| Test Includes: | Sodium urine mmol/L; sodium urine mmol/spec; duration in hours; volume in mL | ||
| 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 Alternate Containers: 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.
Centrifuge specimens containing red cells or precipitate. Urine containing bladder fluid is acceptable. Enter coded comment IRRFL (urine contains bladder irrigation fluid). |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 14 days at room temperature or refrigerated; indefinitely frozen. |
| Test Performed at or Referral Lab | Chemistry (CSC Mpls, Lakes, Northland, Range, Roche-Ridges, Roche-UMMC East, Southdale, St. John's, UMMC/UMMCH-West Bank) |
Interpretive
| Reference Range: | Urine Chemistry Reference Ranges |
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