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HelpTest Code NA Sodium Level
EHR Test Codes
| Test Code | Test Name | |
| Atlas | NA | Sodium |
| Cerner | Sodium Level |
Specimen Requirements
Preparation of Patient:
None
Container Type:
Green Top 5mL Lithium Heparin Separator Tube
Or
Gold Top 6mL SST Gel & Clot Activator Tube
Specimen Type:
Plasma or Serum
Specimen Volume:
2.5 mL Plasma or Serum minimum .5 mL
Specimen Handling/Transport:
Separate plasma or serum from cells within 2 hours of collection.
Transport ambient room temperature.
Specimen Stability/Storage:
5 days refrigerated 2-8°C
Performing Laboratory
Munson Healthcare Laboratories
Chemistry Department
Priority, Frequency, & Turnaround
Priority:
STAT, ASAP, Non-Emergent
Frequency:
24 hours 7 days a week
Turnaround:
0 - 1 days
STAT 45 minute from receipt in lab
Methodology
Ion-Selective Electrode (ISE)
Reporting
Reference Range:
136-144 mmol/L
Critical Decision:
0 years to 21 years ≤ 125 or ≥ 155 mmol/L
21 years and up ≤ 120 or ≥ 160 mmol/L
Note: Critical values are called to the provider and communicated as critical. Documentation of the call is recorded in the patient record.
Clinical Significance
Sodium, the major cation of extracellular fluid, maintains normal hydration and osmotic pressure. It is increased in excessive sweating, hypothalamic disease, diabetes insipidus and Cushings syndrome. It is decreased with diuretic medication, sweating, kidney disease, congestive heart failure, severe diarrhea and vomiting, hepatic cirrhosis, diabetes mellitus and inappropriate antidiuretic hormone secretion.
CPT Code(s)
84295