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HelpEpic Code LAB122 Sodium, Blood Level
Test Name Alias
Na | 1230101177
Interface Order Alias
10062
Collection Instructions
Submit only one of the following specimens:
Preferred
Specimen Type: Plasma
Container/Tube: Mint Green Top (Lithium Heparin Gel)
Volume: 4.5 mL
Minimum volume: 0.5 mL plasma
Collection Instructions: Centrifuge within 2 hours
Acceptable
Specimen Type: Serum
Container/Tube: Gold Top (Serum Separator-SST Gel)
Volume: 5 mL
Minimum volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
Specimen Transport Temperature
Refrigerate
Specimen Stability
Ambient: 8 hours
Refrigerate: 72 hours
Frozen: aliquot plasma/serum for longer storage
Laboratory Retention: 72 hours
Test Frequency
Available 24 hours, usual TAT 1 day.
Reference Range
| Male or Female | CHW | CHS |
|---|---|---|
| 0 up to 3 Years | 132 – 144 mmol/L | 136 - 145 mmol/L |
| 3 Years and Up | 134 – 146 mmol/L | 136 - 145 mmol/L |
Performing Department
Chemistry
Performing Department Laboratory Location
CHW
Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Reed City Laboratory, Reed City, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Zeeland Laboratory, Zeeland, MI
CHS
Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI
Corewell Health Lakeland Marie Yeager Cancer Center, St. Joseph, MI
Corewell Health Lakeland Niles Laboratory, Niles, MI
Corewell Health Watervliet Laboratory, Watervliet, MI
Methodology
Ion-Selective Electrode (ISE)
CPT
84295
CDM Code
3008429503
Epic Test ID
1230101177
LOINC
Sodium Lvl: 2951-2
Reviewed Date
3/7/2024
Updated Date
5/21/2025 - CHS info added
12/2/2025 - Gold Top Preferred specimen
Orderable Regions
Southwest; West