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Potassium

Message
Day(s) Test Set Up: Monday through Sunday


Test Code
K


CPT Codes
84132

Instructions
Draw blood in a PST tube. Spin down. Avoid hemolysis


Transport Container
PST Tube


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Moderate to severe hemolysis


Methodology
Ion-Selective Electrode (ISE) Potentiometric

Reference Range
3.5-5.1 mmo/L
Alarm values: <3.0 mmo/L or >6.0 mmo/L
Pediatric alarm values (0-14 days): <3.0 mmol/L or >8.0 mmol/L


Clinical Significance
Potassium is the major cation of the intracellulare fluid. Measurement of serum potassium is used for the evaluation of electrolyte imbalance, renal failure, and intravenous (IV) fluid therapy.



Last Updated: July 13, 2018


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.