A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
SODIUM, SERUM
Test CodeNA
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
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.
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