LOINC Home

{component}   LP432695-7

Clinical   LP7787-7

Respiratory measures and Ventilator management   LP7840-4

FEV1 percent change   LP145619-5

FEV1 percent change | Respiratory system | Respiratory measures and Ventilator management   LP404753-8

FEV1 percent change   69983-5

LOINC Code


LOINC code69983-5
nameFEV1 percent change
statusACTIVE

Fully-Specified Name

componentVolume expired during 1.0 s of forced expiration percent change
propertyVPctDiff  =  Percent Volume Difference
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.
systemRespiratory system
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 nameFEV1 % change

Basic Attributes

classPULM
type2  Clinical
order vs. observationObservation
formula (readable)(FEV1.Post Broncodialtion - FEV1.Pre Broncodilation) / FEV1.Pre Broncodilation * 100
example UCUM units%
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%

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

test rank2738 of 2000 most commonly performed tests by labs in USA
first released
last updated2.73
last change typeMIN  - change to field other than name

Related Names

Breathing
End tidal volume
Exchange
Exp
FEV
FEV1
FEV1 % change
Forced expiratory volume in 1 second
Lung
Lungs
Point in time
PULMONARY
Pulmonology
 QNT
Quan
Quant
Quantitative
Random
Replace
Respiratory
RS
S prime
Vet
Vol
Vol exp

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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