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Tag: urine culture

August 1, 2026

Infectious Disease Testing: Antibody, Antigen, PCR, NAAT, Immunity Titers, and STI Tests

How Antibody, Antigen, PCR, NAAT, Culture, and Titer Tests Differ—and Why Timing, Vaccination, and Specimen Choice Matter

Infectious disease testing is not one universal blood test. The right choice depends on the suspected organism, exposure date, symptoms, body site, vaccination history, and whether the goal is screening, diagnosing a current infection, confirming […]

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July 13, 2026

How to Understand Your PSA Levels: A Patient Guide

Learn what normal, elevated, and changing PSA results may mean, what can affect your PSA test, and when follow-up testing may be appropriate.

What Is PSA and Why Does It Matter? A prostate-specific antigen, or PSA, blood test measures a protein produced by cells in the prostate gland. Healthcare providers use PSA testing to support prostate cancer screening, […]

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