science
Lab Test
Comprehensive Metabolic Panel (CMP): What Your Results Mean
A Comprehensive Metabolic Panel (CMP) is a group of 14 blood tests that give a broad overview of your body's chemical balance and metabolism. It covers kidney function, liver function, blood sugar, and electrolyte balance in a single blood draw.
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What It Tests
Glucose, calcium, sodium, potassium, bicarbonate, chloride, BUN, creatinine, total protein, albumin, total bilirubin, ALP, ALT, and AST.
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Why It's Ordered
The CMP is used for routine health screening, monitoring chronic disease, evaluating medication effects, and checking organ function before surgery or procedures.
Markers in This Test
Frequently Asked Questions
What is the difference between CMP and BMP? expand_more
A Basic Metabolic Panel (BMP) includes 8 tests focusing on kidney function and electrolytes. The CMP adds liver function markers and proteins, providing a more complete picture.
Do I need to fast for a CMP? expand_more
Fasting for 8–12 hours is recommended for the most accurate glucose result within the CMP. Other markers are not significantly affected by eating.
How often should I get a CMP? expand_more
Annually as part of routine screening. More frequently if you have diabetes, kidney or liver disease, or are taking medications that affect these organs.
What does low albumin in a CMP mean? expand_more
Low albumin can indicate malnutrition, liver disease, kidney disease (protein loss), or chronic inflammation. It is an important marker of overall nutritional status.
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