Cannabinoids [Presence] in Blood by Screen method 42491-1
LOINC Code
LOINC code
42491-1
name
Cannabinoids [Presence] in Blood by Screen method
status
ACTIVE
Fully-Specified Name
component
Cannabinoids
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.
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.
8445 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 new model for ordinal terms; 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 Blood Cannabinoid Delta-9-tetrahydrocannabinol DRUG/TOXICOLOGY Drugs Drugs of abuse Illicit Marijuana Ordinal Point in time PotentialForAbuse
PR QL Qual Qualitative Random Scn Scr Screen Scrn THC WB Whole blood
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