Version 2.77

Status Information

Status
TRIAL

Part Description

LP145597-3   Gas flow at 50% of forced expiration
FEFx: Forced expiratory flow related to some portion of the force fital capacity (FVC) curve. Copyright Text is available under the Creative Commons Attribution/Share-Alike License. See http://creativecommons.org/licenses/by-sa/3.0/ for details. Source: Wikipedia, Wikipedia

Fully-Specified Name

Component
Gas flow at 50% of forced expiration
Property
VRat
Time
Pt
System
Respiratory system.airway
Scale
Qn
Method

Additional Names

Short Name
Gas flow FEV 50%

Survey Question

Text
FEF50%
Source
PX091601650000

Basic Attributes

Class
PULM
Type
Clinical
First Released
Version 2.36
Last Updated
Version 2.65
Change Reason
Updated the PhenX ID from "PhenX.<ID>" to "PX<ID>" in Survey Question Source field to align with the variable identifier used in the PhenX Toolkit.

Member of these Panels

LOINC Long Common Name
62611-9 PhenX domain - Respiratory

Language Variants Get Info

Tag Language Translation
es-MX Spanish (Mexico) Flujo de gas al 50% de la espiración forzada:VRat:Punto temporal:Sistema respiratorio vía aérea.:Cuantitativo:
it-IT Italian (Italy) Gas, flusso a 50% di espirazione forzata:VRat:Pt:Apparato respiratorio.vie aeree:Qn:
Synonyms: FEF 50% Flusso di gas Gestione ventilazione polmonare Punto nel tempo (episodio) Tasso di Volume Via aeree dell''apparato respiratorio
ru-RU Russian (Russian Federation) FEF 50%:ОбСк:ТчкВрм:Дыхательная система.дыхательные пути:Колич:
Synonyms: Количественный Объемная скорость Точка во времени;Момент
zh-CN Chinese (China) 用力呼气 50% 时的气体流量:体积速率:时间点:呼吸系统.气道:定量型:
Synonyms: 体积速率(单位时间);单位时间内体积的变化速率;流量 动态 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 吐气 呼 呼出 呼出;呼出气体 呼吸系统.导气管;呼吸系统.通气导管;呼吸系统导气管;呼吸系统气道;呼吸系统通气导管 呼吸道标本（样品、样本）;呼吸系统标本（样品、样本） 时刻;随机;随意;瞬间 气 气体类 流 流速;气流流量;流量;气体流;气流速度;气体流速 流量;流速;流体 用力呼气 50% 时的气体流量（流速、气流流量、流量、气体流、气流速度、气体流速）;用力呼气 50% 时的气体流;用力呼气 50% 时的气流速度;用力呼气 50% 时的气体流速 空气 肺部测量指标与呼吸机管理

Example Units

Unit Source
L/s Example UCUM Units

LOINC Terminology Service (API) using HL7® FHIR® Get Info

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=65822-9