Clinical Chemistry I - Week 12 Quiz

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Questions and Answers

What components make up a Laboratory Information System (LIS)?

  • Only computers and software
  • Data, only people, and hardware
  • Hardware, software, data, and procedures (correct)
  • Software, data, and testing samples

What is one of the purposes of implementing Laboratory Information Systems?

  • Complicate data management
  • Increase manual paperwork
  • Reduce the use of technology
  • Speed up sample/results turnaround time (correct)

Which phase involves transmitting patient demographics from registration to LIS?

  • Postanalytic phase
  • Data phase
  • Preanalytic phase (correct)
  • Analytic phase

How does LIS assist in the analytic phase of testing?

<p>It stores quality control data (C)</p> Signup and view all the answers

What are the levels of information that LIS digitalizes?

<p>Preanalytical, analytical, and postanalytical levels (D)</p> Signup and view all the answers

What is a key benefit of a systems approach in laboratory management?

<p>Identifies unique needs of different labs (B)</p> Signup and view all the answers

What does LIS provide to the phlebotomy service during the preanalytic phase?

<p>Collection lists of pending orders (B)</p> Signup and view all the answers

What happens after LIS verifies that results fall within the reportable range?

<p>LIS autoverification finalizes the result (D)</p> Signup and view all the answers

Flashcards

Laboratory Information System (LIS)

A system that manages laboratory data and delivers results to different areas.

Levels of information in LIS

The different stages of a laboratory test, including sample collection, analysis, and result reporting.

Preanalytical phase

The stage of a laboratory test that involves preparing the sample and creating a lab order.

Analytical phase

The stage of a laboratory test that involves performing the actual tests and analyzing the results.

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Postanalytical phase

The stage of a laboratory test that involves reviewing and reporting the final results.

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LIS involvement in the preanalytical phase

The LIS's role in the preanalytical phase involves managing patient information, creating test orders, labeling specimens, and preparing samples for testing.

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LIS involvement in the analytical phase

The LIS's role in the analytical phase involves managing instrument worklists, storing quality control data, verifying results, and releasing final results.

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LIS involvement in the postanalytical phase

The LIS's role in the postanalytical phase involves sending electronic reports, storing results, and generating various reports for analysis.

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Study Notes

Clinical Chemistry I - 0202304

Week 12: Laboratory Information Systems (LIS)

  • LIS is a method laboratories use to manage data and distribute results to specified departments.
  • LIS encompasses hardware, software, staff, procedures, and data.
  • Key Reasons for using LIS technology are:
    • Managing the large amount of information generated.
    • Ensuring quality assurance.
    • Reducing data entry errors.
    • Speeding up turnaround times for sample results.

General Considerations

  • Different laboratories have different needs and requirements.
  • Procedures and outcomes vary across labs.
  • However, all labs benefit from adopting the systems approach to analyzing their information needs and implementing solutions.

Types of Laboratories

  • Research labs

  • Analytical service labs

  • Manufacturing labs

  • Defining needs and specifications for a LIMS (Laboratory Information Management System) is crucial.

Information Management System

  • Components: Computers, staff, procedures/processes

LIS: Digitalizing Information

  • LIS captures preanalytical, analytical, and postanalytical information.
  • It integrates with the Hospital Management Information System (HMIS).

Testing Phase: Preanalytic

  • Patient demographics from registration are transmitted to the LIS.
  • Tests are requested, either through computerized physician order entry or manual requisitions.
  • LIS converts the requests into orders, creates accession numbers, produces collection lists, and generates barcoded specimen labels.
  • Orders are sent electronically to the relevant analyzers.
  • Specimens are directed for processing and analysis.

Testing Phase: Analytic

  • LIS creates instrument worklists.
  • LIS stores quality control data.
  • LIS verifies results fall within the reportable range, and flags any issues.
  • Autoverification finalizes results, or a technologist reviews and releases final results.

Testing Phase: Postanalytic

  • LIS electronically sends final results to the clinical information system.
  • If a result is a critical value, the LIS alerts the laboratory staff to contact the relevant care unit immediately.
  • Clinical staff interpret results and act on them.
  • LIS sends test information for billing purposes.

Special Requirements

  • Data privacy
  • Data security (access control)
  • Safety

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