A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Potassium, Urine 24 Hour

Message
Performing Lab:Lakeview, Regions, Westfields


Test Code
3767


Alias/See Also
Sunquest: UK24


CPT Codes
84133

Preferred Specimen
0.2 mL of a 24-hour urine collection


Minimum Volume
0.1 mL


Instructions
Preserve 24 hour urine collection with refrigeration.

Consult Urine Collection/Processing Information for acceptable preservatives


Transport Container
Sterile Container


Transport Temperature
Refrigerated


Specimen Stability
Room Temperature: 4 days
Refrigerated: 7 days
Frozen: 6 months


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Unacceptable preservatives


Methodology
Potentiometric

Setup Schedule
Hospital: Daily
Clinics: Monday - Friday


Report Available
Same Day


Reference Range
25 - 125 mmol/24 hours


Clinical Significance
Normally, K+ is freely filtered by the glomerulus but tends to be conserved if the serum K+ is low. Urinary potassium may be elevated with dietary increase, hyperaldosteronism, renal tubular acidosis, and at the onset of alkalosis.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.