your LDL? Accurate medical testing of cholesterol that
reports the ratio between bad low-density lipoproteins
(LDL) and good high-density (HDL) ones is now commonplace.
But before NIST began certifying reference materials
for blood constituents, measurements of total cholesterol
were frequently off by up to 23 percent.
works closely with clinical chemists and federal health
agencies to provide doctors with the most accurate tests
possible for medical diagnoses. This also includes helping
to ensure accurate diagnostic measurements of toxic
chemicals like lead and healthy substances like vitamins.