Test Code LAB122 Sodium
Additional Codes
CPT Code: 84295
Methodology
This test is also included in Basic Metabolic Panel (LAB15); Comprehensive Metabolic Panel (LAB17); Electrolytes Panel (LAB16) and Renal Function Panel (LAB19).
If carbon dioxide, chloride, and potassium are also requested, order Electrolytes Panel (LAB16) instead of individual tests.
Performing Laboratory
TidalHealth Peninsula Regional - Core Laboratory: Chemistry
Specimen Requirements
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (lithium heparin) tube. Spin down and send 2 mL of lithium heparin plasma.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a gold-top serum gel tube. Spin down and send 2 mL of serum.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Reference Values
136-144 mEq/L
Pediatric Critical value (automatic call-back) <16 years old: <130 mEq/L or >155 mEq/L
Adult Critical value (automatic call-back) ≥ 16 years old: <120 mEq/L or >160 mEq/L
Additional Information
Available STAT