This term represents typical reducing substance assays that detect reducing substances in stool without (or before) the addition of HCl. These assays do not detect sugars that are not reducing, such as sucrose. A different code [LOINC: 57796-5] represents the stool reducing substance assay with the addition of HCl, which hydrolyzes sugars that are not typically reducing and converts them into a reducing form.
status
ACTIVE
Fully-Specified Name
component
Reducing substances
property
PrThr = Present or threshold: The Property PrThr stands for “Presence or Threshold”, meaning either a) the actual presence or absence of an analyte, or b) that the amount of analyte detected is over some predetermined threshold.
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.
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