Medicare regards drug screening for medico-legal purposes (e.g., court-ordered drug screening) or for employment purposes (e.g., as a pre-requisite for employment or as a requirement for continuation of employment) as not medically necessary.
What causes heavy periods. Diagnosing what causes heavy periods can sometimes be difficult. However, some physical condition affecting the uterus, such as fibroids and polyps, may cause heavy menstrual bleeding. The more common reasons for heavy periods are: 1  fibroids. 2  polyps.  endometrial hyperplasia.
Abnormal uterine bleeding may also be related to other causes unrelated to the natural cycle or ovulation: 1  Uterine Fibroids. 2  Von Willebrand Disease and Other Bleeding Disorders . Bleeding disorders that stop blood from clotting can cause heavy menstrual bleeding. 3  Abnormalities in the Uterus .