DRG Category: 742

Mean LOS: 4.3 days

Description SURGICAL: Uterine and Adnexa Procedures for Non-Malignancy with CC or Major CC

DRG Category: 761

Mean LOS: 2.4 days

Description MEDICAL: Menstrual and Other Female Reproductive System Disorders without CC or Major CC

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Endometriosis is a hormonal and immune system disease characterized by a benign growth of endometrial tissue that occurs atypically outside of the uterine cavity. Although endometriosis can grow anywhere in the body, it is typically found in the ovaries, fallopian tubes, uterosacral ligaments, retrovaginal septum, sigmoid color, round ligaments, and pelvic peritoneum. During the reproductive years, the atypical endometrial tissue responds the same to hormonal stimulation as does the tissue within the uterus. Thus, the tissue grows during the proliferative and secretory phase of the woman's menstrual cycle and bleeds during or immediately after it. This bleeding drains into the peritoneal cavity and causes an inflammatory process with subsequent fibrosis and adhesions. Such scarring may lead to blockage or distortion of any of the surrounding organs.

The primary complication of endometriosis is infertility, which results from adhesions and scarring that are caused by bleeding from the atypical endometrial tissue. These adhesions may occur around the uterus and fix it into a retroverted position. They may also block the fallopian tubes or the fimbriated ends, preventing the ovum from being carried into the uterus. Endometriosis can also lead to spontaneous abortion and anemia.