In simple words: This code indicates the presence of uterine lining tissue in the rectum.It doesn't specify how deep the tissue has grown.

Endometriosis of the rectum, unspecified depth. This code specifies the presence of endometrial tissue in the rectum, without indicating whether the endometriosis is superficial or deep.

Example 1: A 35-year-old female presents with chronic pelvic pain, dysmenorrhea, and painful bowel movements.Imaging reveals the presence of endometrial tissue in the rectum, but the depth of infiltration is not specified.N80.519 is used for this diagnosis., During a laparoscopic procedure, a gynecologist discovers endometrial implants on the rectum.The surgeon does not determine if it is deep or superficial endometriosis.The diagnosis is coded as N80.519., A patient with a history of endometriosis undergoes a colonoscopy, which reveals endometrial tissue in the rectum.The report does not indicate the depth of penetration. N80.519 is the appropriate code to describe this.

Documentation should include supporting information like physical exam findings, imaging results (e.g. ultrasound, MRI), laparoscopic findings, and symptom descriptions.