Fructose challenge (hydrogen breath test) panel - Exhaled gas   74789-9

LOINC Code


LOINC code74789-9
nameFructose challenge (hydrogen breath test) panel - Exhaled gas
descriptionThe hydrogen breath test is based on the fact that the only hydrogen gas source in humans is intestinal bacteria, which produces hydrogen gas during carbohydrate metabolism. After the patient ingests a dose of fructose, any carbohydrate that is not absorbed is metabolized by intestinal bacteria During this process, hydrogen gas is produced, which is absorbed and eventually exhaled through the lungs; the amount of hydrogen in the expired gas is measured at various intervals depending on the protocol being used. The test is used to detect fructose malabsorption, irritable bowel syndrome and small intestine bacterial overgrowth.[PMID: 16474100]
statusACTIVE

Fully-Specified Name

componentFructose challenge panel
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.
systemExhl gas  =  Exhaled gas (breath)
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 nameFructose HBT Pnl ExG

Basic Attributes

classPANEL.CHAL
type1  Laboratory
order vs. observationOrder

Panel Components

60231-8Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --pre dose fructose PO
88439-5Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --10M post dose fructose PO
88441-1Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --20M post dose fructose PO
60230-0Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --30 minutes post dose fructose PO
88443-7Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --40M post dose fructose PO
88444-5Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --50M post dose fructose PO
60229-2Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --1 hour post dose fructose PO
60228-4Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --1.5 hours post dose fructose PO
60227-6Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2 hours post dose fructose PO
60226-8Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2.5 hours post dose fructose PO
60225-0Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --3 hours post dose fructose PO
74804-6Fructose challenge (hydrogen breath test) [Interpretation] in Exhaled gas

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 updated2.64
last change typeMIN  - change to field other than name

Related Names

Breath
CHEMISTRY.CHALLENGE TESTING
ExG
Exhaled gas
Exhaled gas (=breath)
Fructose HBT
Fructose HBT Pnl
Gases
Levulose
Pan
PANEL.CHALLENGE
Panl
Pnl
Point in time
QNT
Quan
Quant
Quantitative
Random
Revulose

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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