Sign in →

Test Code NA Sodium

Additional Codes

EPIC LAB4191

Clinical Significance

Sodium measurements are used in the diagnosis and treatment of aldosteronism (excessive secretion of hormone aldosterone), diabetes insipidus, adrenal hypertension, Addison's disease, dehydration, inappropriate antidiuretic hormone secretion, or other diseases involving electrolyte imbalance.

 

Source: Roche Cobas ISE indirect Na-K-Cl for Gen.2 Method Sheet Version 5.0 2024-05 

Methodology

Roche Cobas c503/c303

Sample Type

Preferred Sample Type
Light green top - Plasma

 

Acceptable Sample Type(s)
Dark green top - Plasma
Yellow top - Serum
Red top - Serum

Centrifuge: Yes

Specimen Minimum Volume

55 uL with insert cup

Specimen Stability

Temperature Time
Ambient (15-25°C) 14 days
Refrigerated (2-8°C) (store) 14 days
Frozen (-15 to -20°C)  

Separate plasma or serum from cells within 2 hours.

Reference Ranges

Normal Range
136 - 145 mmol/L

 

Critical Values
<1 month <121 or >169 mmol/L
>1 month <116 or >169 mmol/L

 

Technical Range
80 - 180 mmol/L

Rejection Criteria

Hemolysis Index >1,000
Icterus Index >60
Lipemia Index >2,000, ultracentrifuge

 

Availability

Performed STAT
24/7 Yes

 

Performing Laboratory

MultiCare Yakima Memorial Hospital Laboratory

MultiCare Cancer Care (NSL)

Lab Department

Chemistry

CPT Code

84295

LOINC

2951-2 Sodium [Moles/Vol]