A cholesterol test is a blood test that measures the amount of each type of cholesterol and certain fats in your blood.

SPECIMEN: 2 mL (0.5 mL min.) serum from 1 SST. Ship refrigerated or frozen.

STABILITY: Room: 8 hrs; Refrigerated: 1 week; Frozen: 2 weeks

REPORT: Daily

GENERAL INSTRUCTIONS: Overnight fasting is preferred.

USAGE: Chloride is the major extracellular anion which is used along with sodium & potassium to assess electrolyte, acid-base & water balance. Chloride levels change in the same direction as sodium except in cases of Metabolic acidosis with bicarbonate depletion & Metabolic alkalosis with bicarbonate excess, when serum sodium levels are normal.