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Laboratory Administration
Operations
The Test - Lundberg's Loop

Reviewer: Richard E. Horowitz, M.D. (see Reviewers page)
Revised: 15 June 2013, last major update June 2013
Copyright: (c) 2012-2013, PathologyOutlines.com, Inc.

Introduction
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The Brain-to-Brain Loop (After Lundberg, see references below)
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  1. A physician has a problem
  2. The physician thinks of using a test to help solve the problem
  3. A test is ordered, verbally or in writing
  4. The test request is entered into an information system (HIS or Web)
  5. The requisition is transferred to the laboratory computer
  6. Laboratory computer generates pick-up lists, work lists, billing data, checks for duplicate test orders, duplicate names and checks for appropriateness of order (in terms of Admitting Diagnosis or ICD codes)
  7. Phlebotomist or nurse obtains specimen and sends it to the laboratory
  8. Specimen is triaged in laboratory central receiving area
  9. Test is performed and verified (the old concept of what a test is)
  10. Pathologist interprets test as needed
  11. Test results are transferred to the originating information system
  12. Test results are available at the nursing station (paper or CRT)
  13. Test results are placed in patient chart and sent to physician's office
  14. Physician uses the test results to help solve the problem

Additional references
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End of Laboratory Administration > Operations > The Test - Lundberg's Loop


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