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.
The TâSPOT.TB test is a revolutionary in vitro diagnostic assay that measures T cells primed to Mycobacterium tuberculosis (MTB) antigens. Based on the pioneering T-SPOT technology, it was developed for diagnosing both latent TB infection and TB disease in humans. The T-SPOT.TB test sets new clinical standards of sensitivity and reliability, even in the immunocompromised.