N85.02
BillableEndometrial intraepithelial neoplasia [EIN]
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A precancerous condition of the uterine lining characterized by abnormal cell growth patterns that has increased risk of progressing to endometrial cancer.
Coding Tips
- •This is a high-risk lesion; ensure documentation clearly distinguishes it from benign hyperplasia (N85.01)
- •Coordinate coding with any concurrent malignancy codes if cancer has already developed
Excludes 1 — Do NOT code together
- malignant neoplasm of endometrium (with endometrial intraepithelial neoplasia [EIN]) (C54.1)
Code Hierarchy
└N85Other noninflammatory disorders of uterus, except cervix└N85.0Endometrial hyperplasia└N85.02Endometrial intraepithelial neoplasia [EIN]
└N85.02Endometrial intraepithelial neoplasia [EIN]