ISO 22870- Are you meeting expectations?

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ISO 22870- Are you meeting expectations?

Quality control has recently become crucial in the Point-of-Care (POC) field due to the introduction of ISO 22870 regulations and increased focus in patient safety. Quality control is critical in reducing turnaround time and saving money.

There is now an international standard specifically for POC testing, ISO 22870. This standard is intended to be used in conjunction with the standard for medical laboratories, ISO 15189. This means that aspects relating to Point-of-Care such as training, competence and documentation should be carefully planned, implemented and governed by a quality management system and there is a requirement for QC and EQA to be performed, where available.

POCT is typically carried out by non-laboratory staff, therefore when selecting the appropriate IQC material for POCT there are a number of key characteristics you must consider;

  • Format of the material – QC material employed should be liquid stable, requiring no preparation, reducing the likelihood of human error and increasing convenience.
  • Value assignment – all values must be accurately assigned. Look out for suppliers who use a large number of independent labs to determine the target value.
  • Third party controls – manufactured independently from any specific instrument or method third party controls are designed to deliver unbiased performance assessment.
  • Storage – for convenience controls should be liquid stable, as these can be easily stored in a fridge at 2oC – 8oC and won’t need to be shipped on dry ice.
  • Stability – a control with a good open vial stability will mean that it can be used for longer with less waste produced, meaning it is more convenient for the medical professional to use.
  • Transportation– the liquid stable controls can be conveniently stored at 2oC – 8oC reducing the need to ship on dry ice
  • Minimal training– easy to use with little training required, therefore suitable for use by non-laboratory personnel

In addition to IQC, External Quality Assessment (EQA) must also be employed to ensure a comprehensive review of test system performance. It is best to select a programme that offers frequent reporting with a large database of users. This will enable rapid error identification and ultimately accurate and reliable patient testing.

Our Acusera liquid ready-to-use controls include:

  1. Blood Gas ControlA liquid stable control provided in easy to open ampoules for added convenience and ease-of-use. Assayed, method specific target values are provided for the most common blood gas instruments.
  2. Liquid Cardiac ControlThis is a highly convenient liquid stable cardiac control offering excellent consistency. Assayed, instrument specific target values are provided for 8 cardiac markers, enabling flexibility and consolidation.
  3. Liquid Urinalysis ControlLiquid control that is compatible for use with both manual and automated methods of dipstick analysis. Available in convenient 12ml vials or 25ml dropper bottles with assayed ranges provided for 13 parameters covering the chemical examination of urine specimens.
  4. Liquid HbA1c ControlThis is another highly convenient liquid ready-to-use control. With an open vial stability of 30 days, keeping waste and costs to a minimum.

Complementary EQA programmes are also available to meet the needs of ISO 22870.


ISO 22870:2006 in the Point-of-Care Testing (POCT) Market

Point-of-Care Testing (POCT)

The Point-of-Care testing market, better known as POCT, is growing rapidly as the demand for faster patient testing increases. This point is fully backed up through the results of the recent BIVDA (British IN-Vitro Diagnostics Association) survey of 2016. This survey focuses primarily on Point-of-Care Testing and there were a few questions asked that sparked an interest amongst us. The questions can be seen below;

“What are the challenges you face regarding POCT?”

“What do you see in the future for POCT?” (BIVDA, 2016)

Although many answers were put forward there was one (answer) that appeared for both questions. Accreditation. We found this intriguing yet far from surprising. POCT and accreditation go hand-in-hand, with laboratories striving to achieve ISO accreditation with the ultimate aim of allowing patients to have peace of mind that they are being tested properly and effectively.

ISO 22870:2006

The ISO standard that relates to POCT is ISO 22870:2006 Point of Care Testing- Requirements for quality and competence. This standard gives specific requirements applicable to POCT testing and apply when POCT is carried out in a hospital, clinic or a healthcare organisation providing ambulatory care. However, it is important to note and remember that ISO 22870 is not to be seen as a separate, standalone document, in fact, it is to be used in conjunction with ISO 15189:2012 (medical laboratories – particular requirements for quality & competence).

With accreditation in POCT becoming a major factor to laboratories, it is no surprise to see accreditation as one of the top answers to the two questions asked in the survey.

For laboratories looking to participate in point-of-care testing there are other factors of ISO 22870 that they must be aware of, one of the major factors is as follows;

“ISO 22870:2006 advises that where available, Internal Quality Control and participation in an External Quality Assessment (EQA) scheme is required in the point-of-care setting.”

How can Randox help?

Fortunately for laboratories, Randox are able to help out here. With a vast range of true third party controls and 32 comprehensive RIQAS (EQA) programmes, Randox can aid laboratories as they aim for ISO accreditation.

We have multiple products particularly suited to the POCT market including, Liquid Cardiac, Blood Gas and Urinalysis. These products are available both as internal quality controls and as EQA programmes.

Our Acusera range of true third party controls are conveniently supplied liquid ready-to-use, therefore requiring no preparation. This is a particular advantage in the POC environment were test results are required quickly and also were testing is not always performed by laboratory personnel.  Supplied with assayed target values and manufactured from 100% human material, ensuring they act in the same manner as a patient sample, our Acusera controls are ideal for use at the point of care and will therefore aid a laboratory in gaining ISO accreditation.

Similarly, participation in our RIQAS EQA programme will also assist laboratories to meet regulatory requirements and achieve ISO accreditation.  With over 40,000 laboratory participants in 123 countries, RIQAS is the largest international EQA scheme worldwide! Our Liquid Cardiac, Blood Gas and Urinalysis programmes are all supplied liquid ready-to-use, complementing their Acusera counterparts perfectly!

By using our Acusera controls and RIQAS EQA programmes side by side, a laboratory can confidently aim for ISO accreditation in the knowledge that they are meeting criteria.

For more information

Acusera Quality Controls & RIQAS

Click for more information on our range of Acusera Quality Controls or RIQAS EQA Programmes


Randox launches White Paper on Quality Control in POCT

Randox has launched the first in a series of White Papers, focusing on the importance of quality control in point-of-care testing (POCT). The White Paper is free to download and will help laboratories define an appropriate QC procedure for all POCT devices.

Patient testing at the point-of-care has increased dramatically in recent years, as technology makes it more convenient to test patient samples at the bedside producing rapid results and allowing immediate action. However, the benefits of this are only true if the results are both accurate and reliable, making quality control vitally important in the POC setting, just as it is in the laboratory.

A recent survey* identified that POCT is the largest source of error when compared to other sources of laboratory testing errors. Furthermore, the most common phase for errors in POCT is in the analytical stage, whereas in laboratory-based testing this is the least common source for errors. This highlights how vital it is to have a robust QC procedure in place for POCT as the potential risk of harm to a patient appears to be far greater for POC tests compared to those performed in a laboratory.

The White Paper from Randox covers the fundamentals of developing a POCT QC strategy in line with ISO15189 requirements, looking at who is responsible for QC, what QC is appropriate for different types of POC devices and tips for choosing IQC material and an EQA scheme.

The Paper can be downloaded from the Randox website here.

Randox second White Paper, which studies the importance of using 100% human serum controls to avoid lot-to-lot variations in immunoassay testing, will be available in December.


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