Potassium (K)

Message
Collect 24hr Urine without any addition of preservatives.


Test Code
K


Preferred Specimen
1 mL Serum or Plasma (lithium heparin)


Instructions
"No hemolysis
Testing Frequency: Performed as ordered"


Transport Container
PST, Plasma Separator


Transport Temperature
Refrigerate


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: 7days Refrige or Room Temp; 1year Frozen at -20degreeC


Methodology
Flame photometry, Spectrophotometry and Ion selective electrode

Reference Range
"M Up to 7 Days 3.2 - 5.7 mmol/L
M Up to 1 Months 3.4 - 6.2 mmol/L
M Up to 6 Months 3.5 - 5.8 mmol/L
M Up to 1 Years 3.5 - 6.3 mmol/L
M Up to 19 Years 3.3 - 4.7 mmol/L
M Up to 999 Years 3.5 - 5.1 mmol/L
F Up to 7 Days 3.2 - 5.7 mmol/L
F Up to 1 Months 3.4 - 6.2 mmol/L
F Up to 6 Months 3.5 - 5.8 mmol/L
F Up to 1 Years 3.5 - 6.3 mmol/L
F Up to 19 Years 3.3 - 4.7 mmol/L
F Up to 999 Years 3.5 - 5.1 mmol/L"




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.