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Potassium

Message
The determination of electrolytes is one of the most important functions in the clinical laboratory.  Electrolytes affect most metabolic processes.


Test Code
K


Alias/See Also
LAB3000102


CPT Codes
84132

Preferred Specimen
2.0 mL serum collected in a gold serum separator tube (SST)


Minimum Volume
0.5 mL serum


Other Acceptable Specimens
2.0 mL serum collected in an orange rapid clot serum separator tube (RCT)


Specimen Stability
Serum should be separated from red cells as soon as possible.


Reference Range
Sex Age Reference Range
M/F 0 - 150 years 3.4 - 5.3 mmol/L


Performing Laboratory
Penn Medicine Lancaster General Health



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.