LOINC Home

{component}   LP432695-7

Laboratory   LP29693-6

Drug toxicology   LP7790-1

Drugs   LP18046-0

Controlled substances and drugs of abuse   LP31448-1

Cannabinoids   LP16058-7

Tetrahydrocannabinol   LP16059-5

Carboxy tetrahydrocannabinol   LP14468-0

Carboxy tetrahydrocannabinol | Meconium | Drug toxicology   LP389655-4

Carboxy tetrahydrocannabinol [Presence] in Meconium   57924-3

LOINC Code


LOINC code57924-3
nameCarboxy tetrahydrocannabinol [Presence] in Meconium
statusACTIVE

Fully-Specified Name

componentCarboxy tetrahydrocannabinol
propertyPrThr  =  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.
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemMeconium
scaleOrd  =  Ordinal:  Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive.
method

Additional Names

short nameCarboxyTHC Mec Ql

Basic Attributes

classDRUG/TOX
type1  Laboratory
order vs. observationBoth

Associated Observations

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.

Member of these Groups

LG37596-0Carboxy tetrahydrocannabinol|ANYProp|ANYTm|ANYSys|ANYMeth

History/Usage

first released
last updated2.56
last change typeMIN  - change to field other than name
change reasonThe 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

11-nor-9-carboxy-delta-9-THC
11-nor-9-carboxy-THC
11-nor-delta-9-THC-9-COOH
9-carboxy-11-nor-delta-9-tetrahydrocannabinol
Addiction
Carboxytetrahydrocannabinol
CarboxyTHC
Carboxy-THC-delta-9
Delta(9)-THC
Delta-9-tetrahydrocannabinol
Delta-9-tetrahydrocannabinol metabolite
Dronabinol
DRUG/TOXICOLOGY
Drugs
Drugs of abuse
Illicit
Marijuana
 Mec
Nabilone
Ordinal
Point in time
PotentialForAbuse
PR
QL
Qual
Qualitative
Random
Screen
THC
THCA
THCC
THCCOOH
THC-COOH

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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