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Potassium

Message
This test may be ordered individually or as part of an electrolyte, basic or comprehensive metabolic panel.
Available STAT
Performed in the Chemistry department x5820
10.2018


Test Code
K


Alias/See Also
Potassium, Urine Random
Potassium, Urine Timed


CPT Codes
84132

Preferred Specimen
Plasma from a green top (PST) tube


Minimum Volume
1 mL


Instructions
Centrifuge within 2 hours of collection


Transport Container
Green Top (PST) tube


Transport Temperature
Room temperature


Specimen Stability
2 - 8 oC: 7 days


Methodology
Ion Selective Electrode (Indirect method)

Setup Schedule
This assay is performed 24 hours per day, 7 days per week


Reference Range
0 day to 1 month: 3.6 - 5.1 mEq/L                      Critical Alert value:  ≤ 2.8 or ≥ 7.0 mEq/L
> 1 month: 3.6 - 5.1 mEq/L                               Critical Alert value : ≤ 2.8 or ≥ 6.0 mEq/L
 


Clinical Significance
This test is used in the diagnosis and treatment of hypokalemia, hyperkalemia, renal failure, Addison's disease or other diseases involving electrolyte imbalance.




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.