Sodium, Timed Urine
Abbrev Code: | UNAT | ||
Order Code: | LAB445 | Order Name: | Sodium Timed Urine |
Methodology: | Indirect ion selective electrode | ||
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 |
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 (Roche-Grand Itasca, Roche-Lakes, Roche-Northland, Roche-Range, Roche-Ridges, Roche-Southdale, Roche-St. John's, Roche-UMMC East, Roche-UMMC West) |
Interpretive
Reference Range: | Urine Chemistry Reference Ranges |
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