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
Urine
scale
Nom = Nominal: Nominal or categorical responses that do not have a natural ordering. (e.g., names of bacteria, reported as answers, categories of appearance that do not have a natural ordering, such as, yellow, clear, bloody.
method
Additional Names
short name
After; Appearance; Nominal; p transf; p transf rx; Point in time; PST; Random; React; Rxn; SPEC; Transf React; Tx; UA; UR; Urn