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Related Concept Videos

Isothermal Processes01:21

Isothermal Processes

A thermodynamic process that occurs at constant temperature is called an isothermal process. Heat slowly flows into the system or out of the system to maintain thermal equilibrium. Processes involving phase changes like water evaporation into steam or freezing water into ice at a constant temperature are examples of Isothermal Processes.
An ideal gas can also undergo isothermal expansion or compression.
For example, consider 1 mole of an ideal gas inside an isolated cylinder at initial volume V...
Isochoric and Isobaric Processes01:21

Isochoric and Isobaric Processes

A thermodynamic process that occurs at constant volume is called an isochoric process. According to the first law of thermodynamics, heat supplied or removed from the system is partially utilized to perform work and change the internal energy of the system. However, in an isochoric process, the volume remains constant. Hence, the work done by the system is zero. Therefore, the exchange of heat changes the internal energy of the system only. 
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Quality Assurance01:19

Quality Assurance

Quality assurance is the overarching term used to describe the activities employed to ensure the proper performance of a system. These activities can be classified into three categories: quality control, quality assessment, and internal corrective measures. Typically, these activities work cyclically: quality control is performed before and during the analysis, while quality assessment occurs during and after the investigation. Internal corrective measures are implemented based on the findings...
International System of Units01:29

International System of Units

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Classification of Systems-II01:31

Classification of Systems-II

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Classification of Systems-I01:26

Classification of Systems-I

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Updated: May 18, 2026

Evaluation of the Curing of Adhesive Systems by Rheological and Thermal Testing
09:06

Evaluation of the Curing of Adhesive Systems by Rheological and Thermal Testing

Published on: July 3, 2020

[Current status of ISO 15189 accreditation system].

Kiyoaki Watanabe1, Katsuo Kubono, Katsuji Shimoda

  • 1Corresponding author: Kiyoaki WATANABE, MD, Professor, Department of Laboratory Medicine, Mita Hospital, International University of Health and Welfare, Minato-ku, Tokyo 108-8329, Japan.

Rinsho Byori. the Japanese Journal of Clinical Pathology
|September 15, 2012
PubMed
Summary

This article explains the current status of the ISO 15189 accreditation system in Japan. It outlines the steps laboratories must take to obtain accreditation through the Japan Accreditation Board (JAB). The process includes preparing documents, undergoing assessments, and receiving approval from the JAB Accreditation Committee. The study compares Japan’s progress with other countries, noting that Japan has significantly fewer accredited laboratories. The researchers suggest that greater awareness and support could help increase adoption. The findings highlight the need for government and industry bodies to understand and promote the system more effectively.

Keywords:
medical laboratory accreditationISO 15189 standardsclinical lab quality assuranceaccreditation process

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Last Updated: May 18, 2026

Evaluation of the Curing of Adhesive Systems by Rheological and Thermal Testing
09:06

Evaluation of the Curing of Adhesive Systems by Rheological and Thermal Testing

Published on: July 3, 2020

Area of Science:

  • Medical laboratory accreditation standards
  • Clinical laboratory quality assurance
  • Healthcare regulatory compliance

Background:

Accreditation systems ensure medical laboratories meet quality and safety benchmarks. ISO 15189 outlines requirements for clinical labs globally. Prior research has shown widespread adoption in Europe and the Asia-Pacific region. However, Japan lags in implementation compared to other countries. This gap motivated an investigation into Japan's current status with ISO 15189. No prior work had resolved why Japan's accreditation rate is lower. The Japan Accreditation Board (JAB) oversees the process with support from the Japanese Committee for Clinical Laboratory Standards (JCCLS). Understanding JAB's procedures could clarify barriers to broader adoption. This paper aims to explain the current state of accreditation in Japan.

Purpose Of The Study:

The study aims to describe the current status of the ISO 15189 accreditation system in Japan. It focuses on the role of the Japan Accreditation Board (JAB) and the Japanese Committee for Clinical Laboratory Standards (JCCLS). The goal is to clarify the accreditation process and its adoption level. This includes identifying steps laboratories must follow to obtain accreditation. The study also seeks to compare Japan’s progress with other countries. It highlights data from Europe and the Asia-Pacific region for context. The researchers propose that understanding these differences could inform future improvements. This analysis may help stakeholders assess the system’s effectiveness in Japan.

Main Methods:

The researchers reviewed the accreditation process managed by the Japan Accreditation Board (JAB). They outlined the steps required for laboratories to obtain ISO 15189 accreditation. This includes preparation of relevant documents and a preliminary assessment. A team of JAB assessors conducts an initial evaluation lasting two days. The team then recommends accreditation to the JAB Accreditation Committee. The study analyzed data from February 2011 and June 2011 to compare international adoption rates. It examined the number of accredited laboratories in Europe and the Asia-Pacific region. The findings were contextualized within Japan’s current accreditation status.

Main Results:

As of February 2011, approximately 1,300 medical laboratories had ISO 15189 accreditation globally. Germany led with 482 accredited labs, followed by England with 276 and France with 209. In the Asia-Pacific region, Australia had 638 accredited labs, India 287, and Canada 220. Japan had only 59 accredited laboratories during the same period. This suggests a lower adoption rate compared to other countries. The data indicates a need for increased awareness and support in Japan. The study found no evidence that Japan’s system is fundamentally flawed. However, it proposes that government and industry bodies may need to improve understanding of the accreditation process.

Conclusions:

The study concludes that Japan’s adoption of ISO 15189 accreditation is limited compared to other countries. The Japan Accreditation Board (JAB) oversees a structured process for accreditation. The researchers propose that increased awareness and understanding could improve adoption. No evidence suggests the process is ineffective or unnecessary. The study highlights the need for government and related bodies to support further development. It suggests that broader implementation may require targeted education and advocacy. The findings trace directly to the authors’ analysis of international data and Japan’s current status. These conclusions reflect the authors’ stated implications without generalization.

ISO 15189 is an international standard for medical laboratory accreditation. It ensures labs meet quality and safety requirements.

JAB conducts preliminary and initial assessments. It recommends accreditation to the JAB Accreditation Committee.

The study suggests limited awareness and understanding of the system in Japan compared to other regions.

The committee evaluates recommendations from assessment teams and decides on accreditation approval.

As of February 2011, about 1,300 medical laboratories were accredited globally under ISO 15189.

The researchers propose that government and related bodies should increase understanding and support for the accreditation system.