Left ventricular Myocardial mass/Height exp 2.7 [Mass/Area] by US.2D+Calculated by area-length method 77922-3
LOINC Code
| LOINC code | 77922-3 | ||
|---|---|---|---|
| name | Left ventricular Myocardial mass/Height exp 2.7 [Mass/Area] by US.2D+Calculated by area-length method | ||
| description | The myocardial index is the left ventricular (LV) mass normalized for body size, which can be approximated by different measures including body surface area (BSA) and height. This term represents an index based on height^2.7. The area-length formula used to calculate LV mass based on measurements taken with 2D echocardiography is as follows: LV mass = 1.055 x 5/6(outer short-axis area x length + 1 cm - inner short-axis area x length). [PMID: 2936235] | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Myocardial mass/Height exp 2.7 | ||
| property | ArMass = Mass/Area | ||
| 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 | Heart.ventricle.left | ||
| 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 | US.2D+Calculated by area-length method | ||
Additional Names | |||
| short name | LV Myo mass/Ht exp 2.7 ArMass US.2D+A-L | ||
Basic Attributes | |||
| class | CARD.US | ||
| type | 2 Clinical | ||
| order vs. observation | Observation | ||
| formula (readable) | Myocardial index = Left ventricular mass/Height exp 2.7 | ||
| example UCUM units | g/{m2.7} 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) | ||
| example unit | g/m2.7 | ||
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. | |||
History/Usage | |||
| first released | |||
| last updated | 2.56 | ||
| last change type | MIN - change to field other than name | ||
Related Names | |||
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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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