Item Value
Test name Sodium, Plasma / Serum
Available Stat? Yes
Turn around times STAT 1 hour, Routine 4 hours
In House Availability Test available 24 hours per day 7 days per week
Performed by Parnassus, Mission Bay & Mt. Zion Chemistry
Normal range
< 1 year 131 - 145 mmol/L
≥ 1 year 135 - 145 mmol/L


1. Normal range for children less than 1 year old adapted from Beckman Coulter's "Pediatric Reference Range Guidelines for Synchron Systems" Bulletin 9345
2. Normal range for adults was determined by testing 271 male and female healthy blood donors at UCSF.
Container type Light green top preferred, Gold top acceptable
Amount to Collect 1 mL blood
Click here for Microdetermination info
Sample type Plasma or serum

If you have additional questions regarding this test, please call: 415-353-1667