SODIUM, SERUM

Test Code
NA


CPT Codes
84295

Preferred Specimen
Gold Tube (SST)


Minimum Volume
1 mL


Other Acceptable Specimens
Green Tube (Lithium Heparin)


Instructions
Centrifuge for complete separation of serum or plasma from red cells. 


Transport Container
GOLD Tube


Transport Temperature
Room temperature


Specimen Stability
2-8°C up to 7 days


Methodology
Indirect ISE (Ion Selective Electrode)

Setup Schedule
DAILY, as received


Report Available
STAT: <60 minutes
Routine: <4 hours


Reference Range
Male/Female Ages >=0 Days - <5 Days: Normal Range: 134-144 meq/L Critical Low : <=121 meq/L Critical High : >=159 meq/L Male/Female Ages >=5 Days - <1 Year: Normal Range: 139-146 meq/L Critical Low : <=121 meq/L Critical High : >=159 meq/L Male/Female Ages >=1 Year - <12 Years: Normal Range: 138-145 meq/L Critical Low : <=121 meq/L Critical High : >=159 meq/L Male/Female Ages >=12 Years: Normal Range: 136-145 meq/L Critical Low : <=121 meq/L Critical High : >=159 meq/L
 Reference ranges may vary based on performing lab. Use lab reports when interpreting patient results.


Clinical Significance
Sodium measurements are useful in the diagnosis and treatment of aldosteronism, diabetes insipidus, adrenal hypertension, Addison's Disease, dehydration, inappropriate antidiuretic hormone secretion, or other diseases involving electrolyte imbalance.


Performing Laboratory
Mount Sinai Hospital 
Holy Cross Hospital



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.