74381-5
LOINC Code
| LOINC code | 74381-5 | |
|---|---|---|
| name | ||
| description | Analysis of an unknown substance. Test is ordered on unknown powders, liquids, capsules, tablets, syringe contents, residue from drug paraphernalia, etc., for identification and quantification of the unknown substance. | |
| status | ACTIVE | |
Fully-Specified Name | ||
| component | Midazolam | |
| property | MCnc = Mass Concentration | |
| 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 | Unk sub = Unknown substance | |
| scale | Qn = Quantitative: The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256 | |
| method | ||
Additional Names | ||
| short name | DRUG/TOXICOLOGY; Drugs; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Unknown substance; Usub; Versed | |
Basic Attributes | ||
| class | DRUG/TOX | |
| type | 1 Laboratory | |
| order vs. observation | Midazolam Usub- | |
| example UCUM units | ug/mL The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org) | |
History/Usage | ||
| first released | ||
| last updated | 2.73 | |
| last change type | MIN - change to field other than name | |
| change reason | ug/mL | |
Related Names | ||
Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, 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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