Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
system
Air
scale
Qn = Quantitative: The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256
method
Additional Names
short name
1-hydroxy-4-methylbenzene; 1-methyl-4-hydroxybenzene; 4-cresol; 4-hydroxytoluene; 4-methylphenol; DRUG/TOXICOLOGY; Drugs; Level; Mass concentration; P prime; Paracresol; para-cresol; para-cresylic acid; paramethyl phenol; p-hydroxytoluene; p-methylhydroxy