Heparin anti-Xa may be ordered to monitor some people who have heparin resistance who do not respond as expected to UFH or who have an underlying condition or interfering factor(s) such as lupus anticoagulant (LAC) that affects the PTT test result.he heparin anti-Xa test is not routinely ordered but may be performed whenever a doctor wants to evaluate UFH or LMWH concentrations in the blood.
Green Urine. Green urine is relatively rare, but it does happen. There are a number of reasons why you may one day find yourself urinating green or greenish urine. Some urinary tract infections and problems with bile production can cause green urine, as well as a number of different foods.
4. Imitation Urine. In general, the physical appearance of urine should be yellow to yellow-tan in color. Unfortunately, there are liquid substances available such as apple juice, cranberry juice, etc., that have the same color as urine. Noting the temperature of the urine is important. 5. Length of time in the bathroom