Serum Chloride (Cl-)
Chloride is a hydrochloric acid salt that is the most abundant body anion in the extracellular fluid. Functions to counterbalance cations, such as sodium, and acts as a buffer during oxygen and carbon dioxide exchange in red blood cells (RBCs). Aids in digestion and maintaining osmotic pressure and water balance.
Normal Lab Value for Serum Chloride (Cl-)
- 95 – 105 mEq/L
Nursing Considerations for Serum Chloride
- Any condition accompanied by prolonged vomiting, diarrhea, or both will alter chloride levels.