Chem 20

Overview & Description

In the past, doctors used to order groups or panels of laboratory tests in orderto diagnose different conditions. The CHEM-20, a set of 20 tests, was one of these group tests.These days, doctors most often order the laboratory tests separately depending on the specificcondition.

Who is a candidate for the test?

Click on the links below to learn more about why each test might be done.

How is the test performed?

Click on the links below for the individual tests to learn more about how eachtest is performed.

Preparation & Expectations

What is involved in preparation for the test?

Click on the links below to learn more about any preparation needed for eachindividual test.

Results and Values

What do the test results mean?

To learn more about individual CHEM-20 tests, click on the links below:

  • Albumin
  • Alkaline phosphatase
  • Alanine transaminase, also called ALT or SGPT
  • Aspartate aminotransferase, also called AST or SGOT
  • Blood urea nitrogen, also called BUN
  • Serum calcium
  • Serum chloride
  • Serum sodium
  • Carbon dioxide, also called CO2
  • Creatinine
  • Direct bilirubin
  • kidney\ \biliary tract\ \heart\ \brain\ \intestine\ \pancreas\ \spleen\ Gamma-glutamyl transferase, also called GGT
  • Glucose
  • Lactate dehydrogenase, also called LDH
  • Serum phosphorus
  • Serum potassium
  • Total bilirubin
  • Total cholesterol
  • Total protein
  • Uric acid
  • Article type: xmedgeneral