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.
LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.
4803 of 2000 most commonly performed tests by labs in USA
first released
last updated
2.73
last change type
MIN - change to field other than name
change reason
The Property has been changed from ACnc to reflect the new model for ordinal terms where results are based on a cut-off value.; The PrThr property is used for LOINC terms whose results are reported using an ordered categorical scale, regardless of whether or not an internal threshold was used to make that determination. This change was approved by the Laboratory LOINC Committee in June 2016.
Related Names
Addiction DRUG/TOXICOLOGY Drugs Drugs of abuse Heroin Illicit Mec OP Opi Opiate
Ordinal Point in time PotentialForAbuse PR QL Qual Qualitative Random Screen UniversalLabOrders
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