The Terminology- SNOMED CTÂ®, an Evolving Clinical Reference Terminology. SNOMEDÂ® is the Systemized Nomenclature of Medicine. It is a controlled medical terminology (CMT). At its simplest, a SNOMED is a coded vocabulary of medical concepts and expressions used in healthcare.
The partial thromboplastin time (PTT) is a screening test that helps evaluate a person's ability to appropriately form blood clots. It measures the number of seconds it takes for a clot to form in a person's sample of blood after substances (reagents) are added.
WHAT IS A PT/INR LAB TEST? The Prothrombin Time (PT) Test is a blood test used to measure the bodyâs ability to form blood clots and the time is measured against the International Normalized Ratio (INR). No. *Price may vary by location â contact your local ANY LAB TEST NOWÂ®.