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Test Code K-24H Potassium, Urine 24 Hour

Synonyms/Keywords

 K-24H

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 24 Hour Urine Jug, Sage Cup, Urine Container   10 mL 0.5 mL  

Collection/Processing Instructions

Aliquot from a 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, 10 g boric acid, or 5 g sodium carbonate.
 

Specimen Stability Information

Specimen Type Temperature Time
Urine-no preservative Refrigerate 4 days
Urine-preservative Refrigerate 7 days

Reference Range Information

Performing Location Reference Range
Weston 30-90 mmol/24hr
Marshfield 32-95 mmol/24hr

Marshfield Labs Performing Department

Marshfield Labs Chemistry

Performing Information

Performing Location Day(s) Test Performed Analytical Time

Methodology/Instrumentation
Marshfield Monday through Sunday 6-8 hours ISE/Beckman AU

CPT Codes

CPT Modifier
(if needed)		 Quantity Description Comments
84133        

Outreach CPT Codes

CPT Modifier
(if needed)		 Quantity Description Comments
84133        

Ordering Applications

Ordering Application Description
Cerner Potassium Level 24 Hour Urine