PCR Test: What It Is, How It Works & Results - Cleveland Clinic
Jan 21, 2025 · A PCR (polymerase chain reaction) test is a lab technique that amplifies (creates more copies) of genetic material (DNA). Healthcare providers can use PCR to test for …
What is a PCR test, and how does it work? - Medical News Today
Jan 29, 2024 · What is a polymerase chain reaction (PCR) test? Here, we describe how the tests work and why health experts and researchers use them.
PCR vs. rapid COVID-19 test: What’s the difference?
May 9, 2025 · There are two types of COVID-19 tests: the polymerase chain reaction (PCR) test and the antigen test, known as the rapid test. Both tests require a sample from the patient, …
PCR Tests: MedlinePlus Medical Test
PCR (polymerase chain reaction) tests are a reliable and accurate way to diagnose certain infectious diseases, some types of cancer, and certain genetic changes. The tests check for …
Polymerase Chain Reaction (PCR) Test - eMedicineHealth
Polymerase chain reaction (PCR) is a chemical reaction harnessed to detect and identify trace bits of DNA, whether from a virus or bacteria to study the organism or diagnose an infection, or …
What’s the difference between a PCR and antigen COVID-19 test?
Nov 9, 2021 · PCR tests are accurate but can take a long time to produce results. Antigen tests, the other major type of coronavirus test, while much faster, are less accurate. Antigens are …
How does a PCR test work, and what is its purpose?
What is a PCR Test? PCR, which stands for Polymerase Chain Reaction, is a test used to detect specific genetic material in a sample. It works by amplifying small amounts of DNA or RNA, …
What is PCR? Types, Tests, and Applications Explained
Feb 19, 2025 · A Polymerase Chain Reaction test detects specific DNA or RNA sequences and is widely used to diagnose infections, genetic disorders, and certain types of cancer. By …
Polymerase Chain Reaction (PCR): Steps in This DNA Test
PCR (polymerase chain reaction) is a method to analyze a short sequence of DNA (or RNA) even in samples containing only minute quantities of DNA or RNA. PCR is used to reproduce …
Comprehensive Guide to PCR Testing: Accuracy, Cost & Benefits
What is a Polymerase Chain Reaction (PCR) Test? The polymerase chain reaction (PCR) test is a highly sensitive and precise diagnostic tool designed to detect specific genetic material in a …