PhenX - computed tomography (CT) of the abdominal organs protocol 190501   62961-8

LOINC Code


LOINC code62961-8
namePhenX - computed tomography (CT) of the abdominal organs protocol 190501
descriptionThis protocol is divided into two parts. Part I consists of abdominal computed tomography (CT) imaging to measure liver fat, or hepatic steatosis. Part II is a secondary analysis and consists of abdominal CT imaging to determine the normal distribution of abdominal organ volumes. Organs are outlined by hand on each CT image by using a computer. The organs studied include left and right kidneys, left and right adrenals, spleen, pancreas, and liver; the first lumbar vertebrae are also studied. This measure exposes participants to radiation, so the risk and benefit need to be considered for each individual. Because of the exposure to radiation, this measure should only be performed on a subject when there is a strong indication to do so. Abdominal computed tomography (CT) scans for upper abdominal disorders (liver, pancreas, gallbladder, spleen, adrenal glands) can be done while shielding the pelvis of potentially childbearing women to reduce risk. The Gastrointestinal Working Group (WG) would also like to note the following: 1. estimates of subcutaneous fat and visceral fat can be made with limited assessment of sections at the L3/4 level (Irlbeck et al., 2010); 2. automated volume estimates can be used (with a couple of references); and 3. electronic images should be stored for secondary analysis of organ-specific measures.
statusTRIAL

Fully-Specified Name

componentPhenX - computed tomography (CT) of the abdominal organs protocol 190501
property-
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.
system^Patient
scale-
methodPhenX

Additional Names

short nameCTabdominal organs proto

Basic Attributes

classPANEL.PHENX
type2  Clinical

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.

Member of these Panels

62949-3PhenX domain - Gastrointestinal

History/Usage

first released
last updated2.66
last change typeNAM  - change to Analyte/Component
change reasonUpdated the PhenX ID from "PhenX." to "PX" in Survey Question Source field to align with the variable identifier used in the PhenX Toolkit.; Added the PhenX protocol ID to the Component to clearly define the protocol version for which this panel is based upon.

Related Names

Abd
Abdo
Abdomen
CTabdominal organs proto
Pan
Panel
PANEL.PHENX
Panl
Pnl
Point in time
Random

Copyright © 2023 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2023, 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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