Test Code 62871406 Sodium Level
Performing Laboratory
Torrance Memorial Laboratories
Specimen Requirements
Submit only 1 of the following specimens:
Hospital Preferred Specimen Type: Plasma
Container/Tube: Lithium heparin gel
Outreach Preferred Specimen Type: Serum
Container/Tube: Serum gel
Spin Instructions:
Serum gel: Allow to sit for 30 minutes prior to spinning. Spin within 2 hours of collection.
Heparin plasma: Spin within 45 minutes of
collection.
Also acceptable: Red top tube
Specimen Transport Temperature
Ambient
Storage Temp Stability:
Room Temperature: 7 days
Refrigerated Temperature: 72 days
Methodology
Ion-Selective Electrode (ISE)
Reference Range
136 - 145 mmol/L
Day(s) Test Set up/TAT
Performed:
Daily
Available STAT
TAT:
STAT: <1 hr
Routine: < 4 hrs
Aliases
Na Level
CPT Code
84295