50584-2

LOINC Code


LOINC code50584-2
name
descriptionUsed to order Hydrogen and/or methane breath test
statusACTIVE

Fully-Specified Name

componentLactose 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 nameBreath; CHEMISTRY.CHALLENGE TESTING; ExG; Exhaled gas; Exhaled gas (=breath); Gases; Lactose BT; Lactose challenge Pnl; LTT; Pan; PANEL.CHALLENGE; Panl; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random

Basic Attributes

classPANEL.CHAL
type1  Laboratory
order vs. observationLactose challen

Panel Components

14806-4
33490-4
88440-3
48613-4
88446-0
33491-2
88442-9
48612-6
88445-2
33492-0
60235-9
33493-8
60234-2
33494-6
60233-4
33495-3
60232-6
33496-1
33497-9
33498-7
33499-5
33500-0
33480-5
33481-3
33482-1
33504-2
33501-8
33505-9
33502-6
33503-4
33506-7
33489-6
74803-8

History/Usage

first released
last updated2.73
last change typeMIN  - change to field other than name

Related Names

N

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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