Not all laboratories are created equal. For a consumer, the most important thing is for you to understand the differences between the various gemological institutes. You see, each lab uses its own grading system and nomenclature. As a result, a report from one institute may have show different results from a report issued by another lab for the same diamond. Letâs examine the differences between 4 of the most major gemological labs in the world â GIA, AGS, EGL, and IGI. GIA, the Gemological Institute of America, is the
The CPK isoenzymes test is a way to measure the levels of the enzyme creatine phosphokinase in your bloodstream. This enzyme is important for muscle function. The CPK isoenzymes test is a way to measure the levels of the enzyme creatine phosphokinase in your bloodstream. This enzyme is important for muscle function. Newsletter
Shares & Saves. Save. Creatine phosphokinase (CPK) is an enzyme that can be found in the heart, brain and skeletal muscle. A high level of CPK is not a good sign and is an indicator of heart attacks, strokes and other serious diseases.ow CPK is Tested. CPK levels are tested in the blood. A doctor or nurse will draw blood from the patient and send it off to the laboratory for testing. This test may be ordered up to three times a day for patients who are in the hospital.