Has the patient had any significant medical procedures
property
Hx = History
time
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
^Patient
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
NEMSIS
Additional Names
short name
History; National EMS Information Services; Nominal; Patient had procedures; Point in time; Random
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