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The largest global EQA scheme in the world RIQAS explained

RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

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Page 1: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

The largest global EQA scheme in the worldRIQAS explained

Page 2: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures
Page 3: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

Overall objective of EQA:To develop inter-laboratory comparability which allows standardisation of diagnostic testing. EQA measures a laboratory's accuracy using 'blind' samples that are analysed as if they were patient samples. Results are returned to the scheme organiser for statistical analysis. Laboratories receive a report comparing their individual performance against other participants in the programme. EQA has a number of functions:

• Maintaining and improving the analytical quality of laboratory tests

• Improving inter-laboratory agreement and raising standards

• Detecting equipment failures, identifying reagent problems, reviewing staff training

• Initiating and evaluating corrective actions• Comparing different analytical methods

Participation in an EQA scheme will help produce reliable and accurate reporting of patient results. Quality results will reduce time and labour costs, and most importantly provide accurate patient diagnosis and treatment.

Independent Advisory PanelRIQAS participants have access to an independent advisory panel consisting of scientific and clinical experts. This ensures professional and ethical conduct of the scheme and participant confidentiality.

01

External Quality Assessment External Quality Assessment (EQA) is an essential aspect of any laboratory operation. EQA provides a means of assessing the analytical performance of a laboratory compared to other laboratories utilising the same methods and instruments.

RIQAS Facts:

A Good EQA scheme should have:• Sufficient number of participants• Effective consolidation of programmes• International recognition through accreditation• Quality material• Regular reports with rapid turnaround times• Independent advisory panel• Flexible programme choices

Page 4: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

• Blood Gas• Cardiac• Clinical Chemistry• Coagulation• Glycated Haemoglobin (HbA1c)• Haematology• Human Urine• Immunoassay

• Lipid• Liquid Cardiac• Maternal Screening• Specific Proteins• Therapeutic Drugs• Urinalysis• Urine Toxicology

RIQAS dRandox International Quality Assessment Scheme (RIQAS)RIQAS is the largest international EQA scheme in the world. It is used by more than 16,000 laboratories in 86 countries worldwide. 15 programmes are currently available.

RIQAS Facts:RIQAS SupportRIQAS support staff are on hand to offer advice and troubleshoot technical queries

RIQAS Programmes

Laboratory accreditationRIQAS provides Certificates of Participation as proof of EQA participation for laboratory accreditation. Randox and RIQAS systems and procedures are accredited to a number of internationally recognised standards:• ISO 13485:2003 for the design and

manufacture of medical devices• United Kingdom Accreditation Service

(UKAS) accreditation to ISO/IEC Guide 43-1:1997 “Development and operation of proficiency testing schemes” through assessment against ILAC-G13:2007 “Guidelines for the Requirements for the Competence of Providers of Proficiency Testing Schemes”

• Recognised by the UK National Quality Assurance Advisory Panel (NQAAP)

• Recognised by the Joint Working Group on Quality Assurance (JWG QA)

These certifications highlight the superior quality and excellence of RIQAS

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Page 5: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

03

RIQAS Features and Benefits

1. Text Section

• A high level of participation ensures a large database of results and analytical methods, therefore increasing statistical validity

• Programmes accepted by National and International accreditation bodies worldwide

• Human samples free from interfering preservatives increase confidence that EQA performance mirrors performance on patient samples

• Samples received at start of each cycle

• Wider range of parameters covering a wide spectrum of laboratory testing

• Regular reports with rapid turnaround, ensuring corrective action can be taken prior to analysis of subsequent samples

• User friendly reports, easy to read at a glance, saving valuable laboratory time

• Reduced parameter options for selected programmes offer greater flexibilty, ensuring suitability for laboratories of all sizes and budgets

• Participant certificates provide evidence of participation in a reputable EQA scheme

• Multi-instrument reports allow assessment of performance of all systems in the laboratory

• Inter-laboratory group reports allow comparison of multiple connected laboratories

• Reference method values are provided in the Clinical Chemistry programme

RIQAS samples are custom-manufactured to be both stable and similar to human samples.

Page 6: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

RIQAS Reports

RIQAS Reports• Statistical breakdown by all methods, your

method and your instrument including running means for the last 10 samples

• Compare your instrument group, method group and all methods using the histogram

• Identify trends, biases and precision problems using the Levey-Jennings chart

• The Target Score chart grades your performance in a moving window over the last 20 samples, including the previous cycle

• At-a-glance summary page for all parameters in the programme

RIQAS E-transfer SoftwareE-transfer software enables fast data transfer at no extra cost and allows participants to view and store reports electronically. RIQAS E-transfer reduces turnaround time for receiving reports to 3 days. RIQAS E-transfer is available in a number of languages.

PDF ReportingRIQAS reports can now be presented in pdf (portable document format), offering easy review and storage of your laboratory’s EQA data. There are many advantages associated with pdf reporting, increasing the usability and efficiency of data analysis.

Multi-Instrument Reports Laboratories can register up to five instruments at no extra cost. Individual reports for each instrument plus a unique multi-instrument report are provided. The multi-instrument report allows the comparative performance of each instrument.

RIQAS reports are presented in a user friendly, one page per parameter format. This allows easy interpretation of your analytical performance.

RIQAS Facts:Inter-Laboratory Group reportsThe Group Reporting facility enables laboratory groups to monitor satellite sites. Laboratories can receive individual reports with the group supervisor receiving a report comparing the laboratories within the group. This allows easy assessment of performance of all laboratories within a group.

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Page 7: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

05

Web-Based Data TransferThe RIQAS web system offers easy direct access for the submission of results and retrieval of reports straight from the RIQAS host server.

• Confidentiality and security is maintained through the use of password protected access

• Submit current, corrected, late and future results (normal policies apply), directly into RIQAS database. No confirmations are required.

• Reports are emailed in pdf format as soon as they are prepared

• If your PC fails, don’t worry - up to two cycles of reports are available to be downloaded from website

• View, print, store or distribute reports as you wish

• All that is required is web access, Adobe Reader (for viewing reports) and a valid password to access system. No additional software required.

Page 8: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

Data on each parameter is presented in a one page format with seven sub-reports

Standard Report

N

N

C

C

L

L

N C L

HistogramMethod and instrument comparison

Multi Method Stat SectionEnabling assessment of the performance of each method

Levey-Jennings ChartDetailing features of your laboratory’s performance

Target ScoreThis unique chart provides a numerical index of performance allowing at a glance assessment

% Deviation by Sample Helps to identify trends and shifts in performance

% Deviation by Concentration Rapid assessment of concentration related biases

Text SectionFor all methods, your method and instrument group

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Page 9: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

Text SectionNumber of laboratories who returned results in time for processing

Report is presented in your chosen unit Standard Deviation Index =

Your result - Mean for comparisonSD of Mean for comparison group

Standard Deviation Coefficient of Variation

% Deviation from the mean for comparison

Biological variation stated for information purposes only

Performance statement appears here if performance indicators exceed limits:SDI > 2SDTarget Score < 50% Deviation > defined acceptable limits

Performance limit set for this parameter

Ideally this will be your instrument group mean. If N<5 for your instrument group, your method group mean is selected.

Running Mean SDI is the average of the last 10 SDIs for this parameter

Target ScoreThe closer the value is to 120, the better the result

Average value of all laboratories’ results

After statistical reduction, some results are excluded

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Page 10: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

N C L

HistogramThe Bar Graph is intended as a quick visualisation of how your lab’s result falls into the overall picture of:

All methods

Your method group

Your instrument group

A total of 314 laboratories reported values between 107.67 and 109.19

25 laboratories reported values between 101.60 and 103.12 in your method group

RIQAS reports show your unit of measurement Your result

19 laboratories reported values between 113.75 and 115.27 in your instrument group

08

Page 11: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

N

N

C

C

L

L

C = Corrected results will be accepted in exceptional cases where, for example, you have made a transcription error. Corrected results will be accepted up to 4 weeks after the final date deadline

N = No result returned from your laboratory

Sample number

Your SDI (Standard Deviation Index)

L = Late result received after “final date” deadline. Late results will be accepted up until the “final date” of the next sample

Levey Jennings ChartThe mean for comparison for each sample is indicated at the top of the chart, allowing easy assessment of concentration related bias

This line indicates a change to the registration details for this parameter

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Page 12: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

N

N

C

C

L

L

Target Score Chart

High score in the lighter shaded area represents good performance

Heavy shading for values 10 to 50 signifies poor performance

The Target Score (TS) allows laboratories to assess their performance at a glance. The TS relates the % deviation of your result from the mean to a Target % deviation. The aim is to achieve a deviation smaller than the Target % deviation. The lower the deviation in relation to the target deviation, the higher the TS.

Excellent

Good

Acceptable

Need for improvement

Unacceptable

This is the upper deviation limit for this parameter. TDs are calculated from ‘State of the Art’ historical performance and are reviewed annually

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Page 13: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

N C L

% Deviation by Sample Chart

% Deviation from mean of comparison

Acceptable limits of performance

Plot of running mean % deviations, average of the last 10 % deviations for the sample indicated

This chart helps to identify trends and shifts in performance and unlike plotting of SDIs, % deviations are not influenced by performance of peers.

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Page 14: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

% Deviation by Concentration Chart

% Deviation at specific concentration

This chart enables rapid assessment of concentration related biases. Biases at low or high concentrations may be easily determined, also whether a particular sample is a random outlier or if a bias is always present at that concentration.

N C L

Current sample indicated by square

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Page 15: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

% Deviation by Concentration Chart Multi Method Stat SectionThis section provides an easy way of assessing the performance of the other methods used to analyse the parameter.

N C L

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Page 16: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

XXXXXX

Summary PageYour unique and confidential laboratory identification

Red triangle appears when all performance indicators (SDI, %DEV, and TS) exceed set limits:SDI > 2SDTS < 50%DEV > acceptable limits set

RMSDI - is the Running Mean of the 10 previous SDIs (if fewer than 10 results on file, “too few” is printed)

Average from the last 10 %DEV for this parameter

Overall RMTS = average RMTS for this sample distribution

Overall RMSDI = average RMSDI for this sample distribution

Overall RM%DEV = Average RM%DEV for this sample distribution

Average from the last 10 Target Scores for this parameter

14

Page 17: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

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False Negative

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Abbreviations TN True Negative

TP True Positive

FN False Negative

FP False Positive

RC Referred for Confirmation

NT Not Tested

Your Result

Based on weighed-in value of

and your chosen cut-off value of

the correct response was

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QUANTITATIVESCREENING

15

Page 18: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

Screening Section�����������

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False Negative

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Abbreviations TN True Negative

TP True Positive

FN False Negative

FP False Positive

RC Referred for Confirmation

NT Not Tested

Your Result

Based on weighed-in value of

and your chosen cut-off value of

the correct response was

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% Correct Responses

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��Performance history of your

method over all cut-offs, based on the previous 10 samples

Your performance history for this parameter, based on the

previous 10 samples.

Performance of your method over all cut-offs

for this sample

Performance history of all methods over all cut-offs, based

on the previous 10 samples

Performance of all methods over all cut-offs

for this sample

SCREENING SUMMARY:Your screening result shown in the appropriate response category and your cut off for this sample.

Screening results for all cut-offs returned for this sample within your method group.

Total screening results over all your cut-offs for your laboratory’s method.

Screening results for other methods using the same cut-off as your laboratory.

Screening results for all cut-offs returned for this sample over all methods

Total screening results over all cut-offs for all methods.

Comment section for RIQAS to provide your laboratory with additional relevant information regarding this sample.

Screening result response categories. All abbreviations indicated at the bottom of the report page.

KEYTN - true negativeTP - true positiveFN - false negativeFP - false positiveRC - sent for confirmationNT - not tested

SCREENING RESULTS: This chart is a quick visualisation of your performance over the last 20 samples. A result in the white section indicates a correct response. A result in the upper red section indicates a False Positive re-sponse, and a result in the lower red sec-tion indicates a False Negative response.

SCREENING TEXT SECTION

16

Page 19: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

Quantitative Section�����������

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Abbreviations TN True Negative

TP True Positive

FN False Negative

FP False Positive

RC Referred for Confirmation

NT Not Tested

Your Result

Based on weighed-in value of

and your chosen cut-off value of

the correct response was

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Performance History

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% False Negatives

% False Positives

% Correct Responses

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% False Positives

% Correct Responses

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% Correct Responses

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RIQAS ���

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% Correct Responses

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QUANTITATIVE TEXT SECTION:Comparison statistics. Caution is needed when the N value is too small to support statistical significance

Your MFC

Your Result

All available method statistics

QUANTITATIVE RESULTS HISTOGRAM:This graph provides a quick visualisation of how your quantitative result falls into the overall picture for all methods and your method group

Standard Deviation Index = (Your Result – Mean for Comparison) / SD of Mean for comparison group

17

Standard Deviation Index =Your result - Mean for comparison

SD of Mean for comparison group

Page 20: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

Urinalysis Report

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Your Result

Categories stated in your unit

Your method group and categories

Results from all methods (dipsticks) able to return results in the same categories as your lab

Results from all methods for all available categories

Your Result

Performance Statement

YOUR CATEGORIES HISTOGRAM:A quick visualisation of how your lab’s result falls into the overall picture for your categories

Possible reporting categories for your method

All available methods for this parameter

SCREENING RESULTSAll categories (result options) available for this parameter for any method (dipstick)

Your categories (available result options for your chosen dipstick and unit)

ALL CATEGORIES HISTOGRAMa quick visualisation of how your lab’s result falls into the overall picture for all categories

DETAILED SUMMARY OF RESULTSThis table enables you to see how you compare to all other results

Your categories

Comments Box

Results submitted from a category not applicable to your method

18

Page 21: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

Participation in RIQAS

Participant receives a certificate for participating at the end of the cycle

General Clinical Chemistry ProgrammeSeptember 2008 - March 2009

Randox Laboratories

After completion of enrolment documents, participant registers methods used in their lab

Participant analyses the sample on the recommended date

Participant recieves a set of numbered samples for the cycle

Participant receives report by e-mail or post Participant uploads the results to RIQAS, or sends the return sheet by fax or post,

before the “final date” deadline

Participant enters the results on the web,e-transfer software or on the return sheet

Participant reviews the report to assess performance

19

Page 22: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

RIQAS Programmes

RED = Parameters with Reference Method Values PURPLE = The only parameters available on RQ9135/a + = Programmes awaiting accreditation To ILAC G13: 2007 * = Pilot study ongoing

Samples every 2 weeks, 2 x 6 monthly cycles, 12 month subscription, Reference Method Values Samples every 2 weeks, 2 x 6 monthly cycles, 12 month subscription, Weighed-in values

Samples every 2 weeks, 2 x 6 monthly cycles, 12 month subscription

Samples every month, 1 x 12 month cycle, 12 month subscription

Samples every 2 weeks, 2 x 6 monthly cycles, 12 month subscription

Samples every 2 weeks, 2 x 6 monthly cycles, 12 month subscription

HbA1c

GLYCATED HAEMOGLOBIN PROGRAMME

CK, TotalCK-MB Activity

CK-MB MassHomocysteine

MyoglobinTroponin I

Troponin T

CARDIAC PROGRAMMEWith target scoring

Apolipoprotein A1Apolipoprotein B

Cholesterol, totalHDL-cholesterol

LDL-cholesterolLipoprotein (a)*

Triglycerides

AFPfree Beta hCG

total hCG Inhibin A

PAPP-AUnconjugated Oestriol

BNPCK-MB MassDigoxin

HomocysteinehsCRPMyoglobin

NT proBNPTroponin ITroponin T

LIPID PROGRAMME

MATERNAL SCREENING PROGRAMME+

LIQUID CARDIAC PROGRAMME+

With target scoring

With target scoring

With target scoring

AFPAlbuminAlpha-1-acid glycoproteinAlpha-1-antitrypsinAlpha-2-macroglobulinAnti Streptolysin OAntithrombin IIIBeta-2-microglobulinCaeruloplasmin

Complement, C3Complement, C4C-Reactive ProteinFerritinHaptoglobinImmunoglobulin AImmunoglobulin EImmunoglobulin GImmunoglobulin M

Free Kappa Light ChainTotal Kappa Light ChainFree Lambda Light ChainTotal Lambda Light Chain Prealbumin (Transthyretin)Retinol Binding ProteinRheumatoid FactorTransferrin

AmikacinCaffeineCarbamazepineCyclosporineDigoxin

EthosuximideGentamicinLithiumMethotrexateParacetamol

PhenobarbitonePhenytoinPrimidoneSalicylic acidTheophylline

TobramycinValproic acid Vancomycin

SPECIFIC PROTEINS PROGRAMME

THERAPEUTIC DRUGS PROGRAMME

Acid phosphatase, prostaticAcid phosphatase, totalAlbuminAlkaline phosphataseALT (ALAT)Amylase, pancreaticAmylase, totalAST (ASAT)BicarbonateBile acidsBilirubin, direct

Bilirubin, totalCalciumCalcium, ionisedChloride CholesterolCK, total (CPK) CopperCreatinine D-3-hydroxybutyrateGamma GTGLDHGlucoseHBDH

HDL-CholesterolIronLD (LDH)LipaseLithium Magnesium NEFA*OsmolalityPhosphate, inorganicPotassiumProtein, total PSA Sodium

TIBCFree T3Total T3Free T4Total T4Triglycerides TSHUreaUric acid Zinc

GENERAL CLINICAL CHEMISTRY PROGRAMMEWith target scoring

RQ911210 Parameters only

RQ9112/S17 Parameters only

RQ9113Full 46 Parameters

RQ911118 parameters

RQ9127/a2 Parameters only (choose from 7)

RQ9127/bFull 7 Parameters

RQ91369 Parameters

RQ911426 parameters,

RQ9126/a3 Parameters only (choose from 6)

RQ9126/bFull 6 Parameters, samples every 2 weeks

Samples every month, 1 x 12 month cycle, 12 month subscriptionSample every month, 1 x 12 month cycle, 12 month subscription

RQ91376 ParametersRQ9129

1 Parameter

20

Page 23: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

RED = Parameters with Reference Method Values PURPLE = The only parameters available on RQ9135/a + = Programmes awaiting accreditation To ILAC G13: 2007 * = Pilot study ongoing

RIQAS Programmes

2 x 6 monthly cycles (RQ9125/a, RQ9125/b, RQ9125/c) , 12 month subscription1 x 12 month cycle (RQ9130), 12 month subscription

AlbuminBilirubinBloodCreatinine

GalactoseGlucosehCGKetones

LeukocytesNitritepHProtein

Specific GravityUrobilinogen

URINALYSIS PROGRAMME+

With target scoring

AFPBeta-2-microglobulinCA125CA15-3CA19-9CarbamazepineCEACortisolDHEA-SDHEA Unconjugated

DigoxinFerritinFolateFSHGHhCGIgEInsulinLHOestradiol

17-OH-progesteronePhenytoinProgesteroneProlactinFree PSATotal PSAPTHSHBGFree T3Total T3

Free T4Total T4TestosteroneTheophyllineThyroglobulinTSHValproic acidVitamin B12

IMMUNOASSAY PROGRAMME

RQ9125/a 4 Parameters only (choose from 38)

RQ9125/b13 Parameters only (choose from 38)

RQ9125/cFull 38 Parameters

RQ9130Full 38 Parameters

Samples every 2 weeks, 2 x 6 monthly cycles, 12 month subscription

Samples every month, 1 x 12 monthly cycle, 12 months subscription

Samples every month, 1 x 12 monthly cycle, 12 month subscription

pCO2pHpO2

tCO2Ca++Cl-

K+Na+Glucose

Lactate

BLOOD GAS PROGRAMME+

With target scoring

Haematocrit (HCT)Haemoglobin (Hb)Mean Cell Haemoglobin (MCH)Mean Cell Haemoglobin Concentration (MCHC)

Mean Cell Volume (MCV)Platelets (PLT)Red Blood Cell Count (RBC)Total White Blood Cell Count (WBC)

HAEMATOLOGY PROGRAMME

aPTTPT (including INR)TTFibrinogen

Antithrombin IIIPlasminogenProtein CProtein S

Factor IIFactor VFactor VIIFactor VIII

Factor IXFactor XFactor XIFactor XII

COAGULATION PROGRAMME+

RQ91188 Parameters

RQ913410 Parameters

RQ9135/a5 selected Parameters only (aPTT, PT, TT, Fibrinogen, Antithrombin III)

RQ9135/bFull 16 Parameters

With target scoring

AlbuminAmylaseCalciumChlorideCopperCortisol

CreatinineDopamineEpinephrineGlucoseMetanephrineNorepinephrine

Normetanephrine MagnesiumOsmolalityOxalatePhosphate, inorganicPotassium

Protein, total SodiumUrea Uric acidVMA5-HIAA

HUMAN URINE PROGRAMME

d-Amphetamined-MethamphetaminePhenobarbitalSecobarbitolCreatinine

LorazepamOxazepamCannabinoids (THC)BenzoylecgonineEthanol

LSDEDDPMethadonePhencyclidineNorpropoxyphene

NortriptylineBuprenorphineFree Morphine

URINE TOXICOLOGY PROGRAMME+

Samples every 2 weeks Samples every 2 weeks Samples every 2 weeks Samples every month

Samples every 2 weeks, 2 x 6 monthly cycles, 12 month subscription

Samples every month, 1 x 12 month cycle, 12 month subscription

RQ911524 Parameters

RQ913918 Parameters

Samples every 2 months 1 x 12 month cycle, 12 month subscription

RQ913814 Parameters

21

Page 24: RIQAS explained - · PDF fileRIQAS . explained. Overall objective of EQA: To develop inter-laboratory comparability which allows . standardisation of diagnostic testing. EQA measures

RIQASt: +44 (0) 28 9442 2413, e: [email protected]

e-transfer results and method changes: e: [email protected]: www.riqas.com

NO

V 0

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Randox Laboratories Ltd., 55 Diamond Road, Crumlin, Co. Antrim, BT29 4QY, United Kingdomt: +44 (0) 28 9442 2413 f: +44 (0) 28 9445 2912 e: [email protected] www.randox.com

Randox Laboratories Limited is a company registered within Northern Ireland with company number N.I. 15738. VAT Registered Number: GB 353 030 400. Product availability may vary from country to country. Please contact your local Randox representative for information.

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NDOX PRODUCTS

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ADE IN THE UK