N85.0

Clinical Information

• A benign form of endometrial hyperplasia with crowded endometrial glands and little stroma between the glands. Complex hyperplasia has low risk of progression to endometrial carcinoma.

• A proliferation of the endometrial cells resulting in glandular enlargement and budding. The proliferation may or may not be associated with atypia of the endometrial cells. When the hyperplastic changes are excessive, there is formation of complex epithelial structures complex endometrial hyperplasia).

• An abnormal overgrowth of the endometrium the layer of cells that lines the uterus). There are four types of endometrial hyperplasia: simple endometrial hyperplasia, complex endometrial hyperplasia, simple endometrial hyperplasia with atypia, and complex endometrial hyperplasia with atypia. These differ in terms of how abnormal the cells are and how likely it is that the condition will become cancer.

• Benign proliferation of the endometrium in the uterus. Endometrial hyperplasia is classified by its cytology and glandular tissue. There are simple, complex adenomatous without atypia), and atypical hyperplasia representing also the ascending risk of becoming malignant.

Details

• N85.0 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.

• The 2023 edition of ICD-10-CM N85.0 became effective on October 1, 2022.

• This is the American ICD-10-CM version of N85.0 – other international versions of ICD-10 N85.0 may differ.