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A Chem-7 lab test is used to evaluate a patient's kidney function and electrolyte levels. It measures levels of sodium, potassium, chloride, carbon dioxide, blood urea nitrogen (BUN), creatinine, and glucose in the blood.
chem-7 is a basic metabolic profile
A yellow-top tube is typically used for collecting blood for a Chem 8 (Basic Metabolic Panel) test. The yellow-top tube contains a gel separator and clot activator that are essential for processing the blood sample.
A Chem 4 lab test typically includes measurements of four basic blood chemistry components: glucose, blood urea nitrogen (BUN), creatinine, and electrolytes (sodium and potassium). This test helps to evaluate kidney function, blood sugar levels, and electrolyte balance in the body.
A basic metabolic panel typically includes tests for electrolytes (sodium, potassium, chloride, and bicarbonate), glucose, blood urea nitrogen (BUN), and creatinine. A Chem 7 includes those tests plus calcium. Both are used to assess kidney function, electrolyte balance, and glucose levels, but the Chem 7 provides additional information on calcium levels.
Chem-8 or BMP (basic metabolic panel) or the older term SMA-8 (sequential multichannel analysis) refers to a blood test which measures the levels of 8 chemical compounds. The levels of these compounds are often used to diagnose and track the progression of certain medical conditions or monitor the body's responses to medications and/or toxins. These compounds include sodium (Na+), potassium (K+), chloride (Cl-), bicarbonate or carbon dioxide (CO2), blood urea nitrogen (BUN), creatinine, glucose and calcium (Ca2+). Chem-7 refers to all of the above except calcium.
A gold or red/gray-stoppered tube is typically used for a Chem 12 blood test.
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A Chem-25 blood test measures 25 different components in the blood, including electrolytes (sodium, potassium, chloride, carbon dioxide), kidney function markers (creatinine, blood urea nitrogen), liver function markers (bilirubin, albumin, liver enzymes), glucose, and calcium. It provides valuable information about the body's overall health and organ function.
A red-top tube is typically used for chem-7 blood testing, as it does not contain any anticoagulant or preservative, allowing the blood to clot prior to analysis.
It is generally recommended to fast for 8-12 hours before a basic metabolic panel to ensure accurate results. Fasting helps to provide more consistent and reliable measurements of glucose and lipid levels in the blood.