In the effusions of inflammatory origin the values are lower than those found in the blood. In the pleural fluids of other than inflammatory origin the chloride content is either the same or higher than that of blood serum. The abdominal fluids in general are less rich in protein than the pleural effusions.
No special preparation is needed for Chloride (Cl-) Pleural Fluid. Inform your doctor if you are on any medications or have any underlying medical conditions or allergies before undergoing Chloride (Cl-) Pleural Fluid. Your doctor depending on your condition will give specific instructions.