ICD-10-CM diagnosis code
N85.02 Endometrial intraepithelial neoplasia [EIN]
- Billable
- Yes, a complete code (FY2026)
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Other codes in N85
12 complete codes in this category.
- N85.00Endometrial hyperplasia, unspecified
- N85.01Benign endometrial hyperplasia
- N85.02Endometrial intraepithelial neoplasia [EIN]
- N85.2Hypertrophy of uterus
- N85.3Subinvolution of uterus
- N85.4Malposition of uterus
- N85.5Inversion of uterus
- N85.6Intrauterine synechiae
- N85.7Hematometra
- N85.8Other specified noninflammatory disorders of uterus
- N85.9Noninflammatory disorder of uterus, unspecified
- N85.AIsthmocele
Documentation tips
- Make sure the note supports every element of the title, “Endometrial intraepithelial neoplasia [EIN]”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to N85.
The international WHO ICD-10 also has N85, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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