91546-2

LOINC Code


LOINC code91546-2
name
descriptionST-segment deviation represents the maximum ST deviation during a procedure such as an exercise stress test. In some contexts the maximum ST deviation may be defined more specifically, such as in the Duke Treadmill Score, which states that the ST deviation measurement should exclude any leads other than aVR that have pathological Q waves, and that it can be calculated during or after exercise.
statusACTIVE

Fully-Specified Name

componentST deviation
propertyElpot  =  Electrical Potential (Voltage)
timeStdy^max
    Stdy  =  Duration of the study
    max  =  Maximum:  Maximum value over interval
systemHeart
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
methodEKG

Additional Names

short nameCardiac; ECG; EKG.MEASUREMENTS; Electrical potential; Electrocardiogram; Electrocardiograph; Hrt; Maximum; QNT; Quan; Quant; Quantitative; Studies; Study; Sutdies; Voltage

Basic Attributes

classEKG.MEAS
type2  Clinical
order vs. observationST Deviation Ma
example UCUM unitsmv
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

91550-4

History/Usage

first released
last updated2.66
last change typeADD  - added
change reasonmV

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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