Sodium and Potassium - Urine |
Ordering information: | If an Oral Salt Loading Test is requested, collect the specimen in an acidified 24-hour urine bottle instead of a plain bottle. See instructions in Urine Aldosterone testing. |
Alternate names: | Potassium - Urine, Sodium - Urine |
Laboratory: | Biochemistry |
Test Code: | NAU,24UNA,KU,24UK |
Specimen types: | Urine
24 hour Urine |
Container types: | Sterile Jar
24 hour urine - PLAIN bottle
24-hour urine - ACID bottle |  |
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Notes: | These tests are of value principally -
In differentiation of the cause of low plasma sodium
To differentiate btween pre-renal and renal failure in certain circumstances where oligouria is present (urine Na)
In acute disturbances of sodium and potassium homeostasis, as a guide to immediate therapy
To assess volume status
While a 24 hour urine collection is the gold standard, in some cases a spot urine may be an adequate alternative. |
Frequency: | Daily |
Result Turnaround Time: | 4 hours |
Laboratory Use Only |
Accessing Results
EMR: Pathology results are available via EMR.
Auscare: If EMR is unavailable, results can be accessed through Auscare. Don’t have an Auscare login? Complete the Auscare User Form.
To access Auscare, see instructions.
Forms & Collection Guides
Consent Form – Non-Medicare Tests
For tests not covered by Medicare. Download Form
Pathology Request Form
Printable referral form for submitting pathology requests. Download Form.
Microbiology Swab Collection Guide
Step-by-step instructions for correct swab collection. Download Guide.
Preferred Order of Draw
Instructions to ensure accurate blood collection and results. View Instructions
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