Sodium (Na)

Message
Collect 24hr Urine without addition of preservatives.


Test Code
NA


Preferred Specimen
1 mL Serum or Plasma (lithium heparin)


Instructions
"Separate from cells ASAP up to 2hr from collection
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; 1 year Frozen at -20degreeC


Methodology
Flame photometry, spectrophotometry and Ion Selective Electrode potentiometry

Reference Range
"M Up to 7 Days 131 - 144 mmol/L
M Up to 31 Days 132 - 142 mmol/L
M Up to 6 Months 132 - 140 mmol/L
M Up to 1 Years 131 - 140 mmol/L
M Up to 19 Years 132 - 141 mmol/L
M Up to 999 Years 134 - 146 mmol/L
F Up to 7 Days 131 - 144 mmol/L
F Up to 31 Days 132 - 142 mmol/L
F Up to 6 Months 132 - 140 mmol/L
F Up to 1 Years 131 - 140 mmol/L
F Up to 19 Years 132 - 141 mmol/L
F Up to 999 Years 134 - 146 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.