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.
Parathyroid hormone-related protein blood test. The parathyroid hormone-related protein (PTH-RP) test measures the level of a hormone in the blood, called parathyroid hormone-related protein. A blood sample is needed. No special preparation is necessary. When the needle is inserted to draw blood, some people feel moderate pain.