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23039 Sodium, Urine 24 Hour

Sodium, Urine 24 Hour
Test Code: NA-24H
Synonyms/Keywords
​​Sodium - Urine, 24 hr​
Test Components
Urine Sodium and Creatinine​
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No Urine​
24H Urine Jug
Urine Container​
 ​ 10 mL ​ 0.5 mL​ ​
Collection Processing Instructions
Aliquot from well-mixed 24 hour urine collected without a preservative.
Indicate the collection time.
The total volume collected must be measured, recorded, and included with the test request.
If multiple tests needed on urine, acceptable alternate preservatives include 7 g sulfamic acid, 20 mL 6N HCl, 25 mL 33% acetic acid, or 10 g boric acid.
 
Specimen Stability Information
Specimen Type Temperature Time
Urine​ - No Preservative Refrigerate​ 4 days​
​Urine-Preservative ​Refrigerate ​7 days
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Diagnostic Treatment Center​ ​Monday through Sunday​ ​Less than 2 hours ​ISE/Siemens Dimension
Marshfield​ Monday through Sunday​ 6-8 hours​ ISE/Beckman AU
Reference Range Information
Performing Location Reference Range
All Performing Sites 43 - 217 mmol/24 hr​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
84300  ​ ​ ​ ​ ​
Synonyms/Keywords
​​Sodium - Urine, 24 hr​
Test Components
Urine Sodium and Creatinine​
Ordering Applications
Ordering Application Description
​Centricity ​Sodium-24hr
​Cerner ​Sodium Level 24 Hour Urine
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No Urine​
24H Urine Jug
Urine Container​
 ​ 10 mL ​ 0.5 mL​ ​
Collection Processing
Aliquot from well-mixed 24 hour urine collected without a preservative.
Indicate the collection time.
The total volume collected must be measured, recorded, and included with the test request.
If multiple tests needed on urine, acceptable alternate preservatives include 7 g sulfamic acid, 20 mL 6N HCl, 25 mL 33% acetic acid, or 10 g boric acid.
 
Specimen Stability Information
Specimen Type Temperature Time
Urine​ - No Preservative Refrigerate​ 4 days​
​Urine-Preservative ​Refrigerate ​7 days
Test Components
Urine Sodium and Creatinine​
Reference Range Information
Performing Location Reference Range
All Performing Sites 43 - 217 mmol/24 hr​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Diagnostic Treatment Center​ ​Monday through Sunday​ ​Less than 2 hours ​ISE/Siemens Dimension
Marshfield​ Monday through Sunday​ 6-8 hours​ ISE/Beckman AU
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
84300  ​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.