74859-0
LOINC Code
| LOINC code | 74859-0 | ||
|---|---|---|---|
| name | |||
| description | Alcohol whole blood equivalent is estimated from the serum or plasma level and reported as a percent. The alcohol level in serum or plasma is usually 1.09 to 1.18 times higher than that in whole blood because the cellular component of whole blood dilutes the concentration. [http://www.clinlabnavigator.com/alcohol-ethanol-ethyl-alcohol.html, accessed 20190923] Conversion factors for estimated blood level from serum or plasma level range from 1.10-1.20, and different states or countries may have different legally accepted conversion factors. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Ethanol | ||
| 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 | Bld = Whole blood | ||
| 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 | Estimated from serum or plasma level | ||
Additional Names | |||
| short name | Alc; Alcohol; Blood; DRUG/TOXICOLOGY; Drugs; Est; Est from SerPl; estimation; Ethyl alcohol; EtOH; Level; Levels; Levl; LV; LVL; Mass concentration; Point in time; predicted; QNT; Quan; Quant; Quantitative; Random; Ser; SR; WB; Whole blood | ||
Basic Attributes | |||
| class | DRUG/TOX | ||
| type | 1 Laboratory | ||
| order vs. observation | Bld Ethanol Est | ||
| formula (readable) | Blood alcohol level = (Serum or plasma ethanol/conversion factor)/1000, where conversion factors range from 1.10-1.20) | ||
| example UCUM units | % 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) | ||
Member of these Groups | |||
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History/Usage | |||
| first released | |||
| last updated | 2.73 | ||
| last change type | MIN - change to field other than name | ||
| change reason | % | ||
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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