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What are false positives and false negatives?

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A false positive means that the results say you have the condition you were tested for, but you really don’t. With a false negative, the results say you don’t have a condition, but you really do.

SOURCES:

National Center for Policy Analysis: “Patients Get Direct Access to Lab Tests.”

FDA: “Tests Used In Clinical Care.”

HealthResearchFunding.org: “Kaiser Permanente Blood Test Results Explained.”

Healthy Women: “You Have a Right to Your Lab Results: New Rules Provide Direct Access.”

American Association for Clinical Chemistry’s Lab Tests Online: “Reference Ranges and What They Mean,” “Strep Throat Test,” “Deciphering Your Lab Report,” “Test Preparation: Your Role,” “Making Informed Decisions for Better Health.”

U.S. Department of Veterans Affairs: “HIV/AIDS: Frequently Asked Questions.”

National Cancer Institute: “Understanding Laboratory Tests.”

Dana-Farber Cancer Institute: “What Are False-Positive Test Results, and What Causes Them?”

ASCO’s CancerNet: “3 Steps to Building a Personal Medical Record.”

Reviewed by Minesh Khatri on November 25, 2019

SOURCES:

National Center for Policy Analysis: “Patients Get Direct Access to Lab Tests.”

FDA: “Tests Used In Clinical Care.”

HealthResearchFunding.org: “Kaiser Permanente Blood Test Results Explained.”

Healthy Women: “You Have a Right to Your Lab Results: New Rules Provide Direct Access.”

American Association for Clinical Chemistry’s Lab Tests Online: “Reference Ranges and What They Mean,” “Strep Throat Test,” “Deciphering Your Lab Report,” “Test Preparation: Your Role,” “Making Informed Decisions for Better Health.”

U.S. Department of Veterans Affairs: “HIV/AIDS: Frequently Asked Questions.”

National Cancer Institute: “Understanding Laboratory Tests.”

Dana-Farber Cancer Institute: “What Are False-Positive Test Results, and What Causes Them?”

ASCO’s CancerNet: “3 Steps to Building a Personal Medical Record.”

Reviewed by Minesh Khatri on November 25, 2019

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