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Tests
A prothrombin time (PT) test measures how many seconds it takes for a clot to form in a blood sample. Since the results of this test can vary with different labs or test methods, your results may be used to create an INR (international normalized ratio). Using this ratio makes it easier for health care providers to compare and better understand results from different labs or test methods.
Article
Research record from STAR Protoc, 2026-08-19. PMID 42623238.
Indicators
Prostate-specific antigen — a prostate tissue protein whose blood level rises in prostate cancer and in common benign conditions.
Tests
A PTEN genetic test uses a sample of your blood or other body tissue to look for changes in a gene called PTEN . Changes in your genes are also called gene variants or mutations.
Article
Research record from J Anal Toxicol, 2026-04-01. PMID 40838999.
Article
Research record from Forensic Toxicol, 2026-03-23. PMID 41870671.
Tests
A type of blood test used to test for allergies.
Article
Research record from J Microbiol Immunol Infect, 2026-09-18. PMID 42763279.
Article
Research record from J Microbiol Methods, 2026-03-18. PMID 41862056.
Article
Research record from Pediatr Blood Cancer, 2026-07-25. PMID 42500906.
Article
Research record from J Am Soc Mass Spectrom, 2026-06-03. PMID 42233231.
Tests
A red cell distribution width (RDW) test measures how much the volume and size of your red blood cells (erythrocytes) varies.
