FEV1/FVC ratio before bronchodilator

Forced expiratory volume in one second/Forced vital capacity ratio before bronchodilator (observable entity)

active

Code	`407602006`
Semantic tag	observable entity
Module	international
Definition	primitive
Effective time	20040131

Synonyms

Forced expiratory volume in one second/Forced vital capacity ratio before bronchodilator

Parents (1)

313221000Respiratory percentage observable entity

Children (1)

2488841000000100FEV1 (forced expiratory volume in 1 second) to FVC (forced vital capacity) ratio z-score before bronchodilation observable entity