---
title: "root cause"
description: " A source of a defect such that if it is removed, the occurrence of the defect type is decreased or removed. "
type: term
term_id: 495
language: English
language_code: gb
canonical: "https://glossary.istqb.org/en/term/root-cause-1"
slug: "root-cause"
url: "https://istqb-glossary.page/root-cause/"
---

# root cause

 A source of a defect such that if it is removed, the occurrence of the defect type is decreased or removed. 

## Present in syllabi


- Advanced Test Analyst 2012
- Advanced Test Manager 2012
- Expert Test Management 2011
- Expert Improving the Test Process 2011
- Foundation 2018
- Foundation Extension - Performance Testing 2018
- Foundation V3.1 2018
- Advanced Test Analyst 2019

## Translations


- [Deutsch](https://istqb-glossary.page/de/grundursache/) — Grundursache
- [Italiano](https://istqb-glossary.page/it/causa-originale/) — causa originale
- [日本語](https://istqb-glossary.page/jp/%E6%A0%B9%E6%9C%AC%E5%8E%9F%E5%9B%A0-root-cause/) — 根本原因（root cause）
- [Português (Brasil)](https://istqb-glossary.page/br/causa-raiz/) — causa-raiz
- [Polski](https://istqb-glossary.page/pl/podstawowa-przyczyna/) — podstawowa przyczyna
- [Português](https://istqb-glossary.page/pt/causa-raiz-do-defeito/) — causa raiz do defeito
- [Čeština](https://istqb-glossary.page/cz/hlavni-pricina/) — hlavní příčina
- [Čeština](https://istqb-glossary.page/cz/korenova-pricina/) — kořenová příčina
- [Dansk](https://istqb-glossary.page/dk/rodarsag/) — rodårsag
- [Svenska](https://istqb-glossary.page/se/grundorsak/) — grundorsak
- [Nederlands](https://istqb-glossary.page/nl/oorzaak/) — oorzaak
- [Magyar](https://istqb-glossary.page/hu/kivalto-ok/) — kiváltó ok
- [Norsk](https://istqb-glossary.page/no/feilkilde/) — feilkilde
- [한국어](https://istqb-glossary.page/kr/%E1%84%80%E1%85%B3%E1%86%AB%E1%84%87%E1%85%A9%E1%86%AB-%E1%84%8B%E1%85%AF%E1%86%AB%E1%84%8B%E1%85%B5%E1%86%AB-root-cause/) — 근본 원인(root cause)

Read this term online: https://istqb-glossary.page/root-cause/

Markdown variant of the HTML page at https://istqb-glossary.page/root-cause/ — part of the
ISTQB Glossary (https://istqb-glossary.page), a linkable, machine-readable
republication of the ISTQB glossary under fair use. No affiliation with ISTQB.