73677-7

LOINC Code


LOINC code73677-7
name
descriptionPeak levels of valproic acid are measured to monitor monotherapy and adjunctive therapy in the treatment of patients with complex partial seizures. Peak levels in the blood are reached in approximately 2 hours and, in some cases, the peak level is more than double the trough level.
statusACTIVE

Fully-Specified Name

componentValproate^peak
propertyMCnc  =  Mass Concentration
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.
systemSer/Plas
    Ser  =  Serum
    Plas  =  Plasma
scaleQn  =  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 nameDepakene; Divalproex; DRUG/TOXICOLOGY; Drugs; Level; Mass concentration; Pl; Plasma; Plsm; Point in time; Post; Postdose; Post-dose; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; VALP; Valproic acid

Basic Attributes

classDRUG/TOX
type1  Laboratory
order vs. observationValproate Peak
example UCUM unitsug/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)

Member of these Panels

74260-1

History/Usage

first released
last updated2.44
last change typeMIN  - change to field other than name
change reasonug/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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