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
Ser = Serum
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
Arbitrary concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; Serum; SR
Basic Attributes
class
SERO
type
1 Laboratory
order vs. observation
Chronic urticar
formula (readable)
CUI = (α/β)×10, where α represents the amount of histamine released by the donor basophils and associated leukocytes in response to the patient serum; and β represents the normalized baseline of histamine release.
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