Blood Marker Tests. Your doctor may order blood tests for cancer/tumor markers to detect cancer activity in the body. Proteins and circulating tumor cells are two types of markers that can be measured. A cancer tumor often produces a specific protein in the blood that serves as a marker for the cancer.
Zolpidem, sold as the brand name Ambien among others, is a sedative primarily used for the treatment of trouble sleeping. It usually works within 15 minutes, and has a short half-life of two to three hours. Zolpidem has not adequately demonstrated effectiveness in maintaining sleep, unless delivered in a controlled-release (CR) form.
Report Abuse. It depends on whether you are asking about Ambien or AmbienCR (time released). Ambien stays in your system approximately 5 hours while it takes 16 hour to completely eliminate AmbienCR. Source(s): http://www.ambien.com/.Twizard113 Â· 9 years ago.art of the Ambien CR tablet has a half life of 6-8 hours. A good rule of thumb is to multiply the half life by five to determine how long the medicine is in the body.