Self-StudyScreening and Diagnosis

Screening and Diagnosis

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Lesson 3. HIV Diagnostic Testing

Screening and Diagnosis

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HIV Diagnostic Testing Overview

About this Lesson

Last Updated: April 1st, 2025

CNE/CME Continuing Education

This lesson qualifies for:

1.5 CME AMA PRA Category 1 Credits™, or
1.5 CNE contact hours and 1.5 CE contact hours (does NOT qualify for pharmacology CE for advanced practice nurses)

CNE and CME Origination: May 1st, 2017

CNE and CME Review: September 1st, 2023

CNE and CME Expiration: August 31st, 2026 (3rd Edition)

Steps to Acquire CE for this Lesson:

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Quiz

Score 80%+

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3rd Edition

This is a substantial revision of the original Lesson. The previous edition was titled HIV Diagnostic Testing and available until September 1st, 2023.

Learning Objectives

Compare different types of HIV diagnostic tests and when to use these tests
Describe the timing of when HIV diagnostic tests become positive after HIV infection
Explain updated recommended nomenclature for HIV diagnostic tests
Summarize the CDC/APHL recommended HIV testing algorithm
Discuss interpretation of HIV diagnostic tests and delivery of test results to clients

Lesson Contributors

Authors

David H. Spach, MD

David H. Spach, MD
Professor of Medicine
Division of Allergy & Infectious Diseases
University of Washington

Disclosures:

None

Reviewers

Brian R. Wood, MD

Brian R. Wood, MD
Professor of Medicine
Division of Allergy & Infectious Diseases
University of Washington

Disclosures:

None

Lesson Plan

1Topic 1 Background

2Topic 2 Timing of Laboratory Markers following HIV Infection

3Topic 3 Tests Used for the Diagnosis of HIV

4Topic 4 Laboratory HIV Testing Algorithm as Recommended by CDC/APHL

5Topic 5 Performance of Diagnostic Tests

6Topic 6 Special Diagnostic Situations

7Topic 7 Delivering Test Results

8Topic 8 Summary Points

Lesson Quiz HIV Diagnostic Testing Quiz

Survey Lesson Survey

The National HIV Curriculum is supported by the Health Resources and Services Administration (HRSA) of the U.S. Department of Health and Human Services (HHS) as part of a financial assistance award totaling $1,172,990 with 0% financed with non-governmental sources. The contents are those of the author(s) and do not necessarily represent the official views of, nor an endorsement, by HRSA, HHS, or the U.S. Government. For more information, please visit HRSA.gov. This project is led by the University of Washington Infectious Diseases Education and Assessment (IDEA) Program.

Since you've received 80% or better on this quiz, you may claim continuing education credit.

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