diagnostic marker

[/ˌdaɪ.əɡˈnɒs.tɪk ˈmɑːr.kər/]
nounpl: diagnostic markers
marcador diagnóstico
1. A biological substance or characteristic used to identify the presence of a disease or medical condition
The doctor ordered blood tests to identify diagnostic markers for diabetes.
O médico solicitou exames de sangue para identificar marcadores diagnósticos de diabetes.
2. A measurable indicator that helps confirm a diagnosis or assess disease progression
PSA is a diagnostic marker commonly used in prostate cancer screening.
O PSA é um marcador diagnóstico comumente usado na triagem de câncer de próstata.
3. A physical or laboratory finding that aids in clinical decision-making
Elevated liver enzymes serve as diagnostic markers for hepatitis.
Enzimas hepáticas elevadas servem como marcadores diagnósticos de hepatite.
Diagnostic markers are fundamental in modern medical practice across both Brazil and the United States, where they inform clinical decision-making and patient management. In Brazil, this terminology is widely used in hospital settings and medical laboratories (laboratórios clínicos), while in the USA it's essential to precision medicine and personalized healthcare initiatives.
Synonyms / Sinônimos
biomarkerclinical markerdisease markerprognostic indicatorindicador diagnóstico

Regional Variations

General Brazilian Portuguese
marcador diagnóstico
Standard medical terminology used in healthcare settings across Brazil
São Paulo
marcador diagnóstico / biomarcador
Both terms used interchangeably in medical practice
Rio de Janeiro
marcador diagnóstico
Preferred term in clinical and research institutions
Portugal
marcador diagnóstico / marcador de diagnóstico
European Portuguese uses similar terminology with slight syntactic variations

Related Words

diagnosisbiomarkerlaboratory testclinical pathologyprognosisscreening testexame clínico

Related Idioms & Phrases

find a diagnostic marker for something
use something as a diagnostic marker
elevated diagnostic markers
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