ICD-10 N85.02
Billable / SpecificEndometrial intraepithelial neoplasia [EIN]
About ICD-10-CM N85.02
ICD-10-CM code N85.02 represents Endometrial intraepithelial neoplasia [EIN]. This is a billable/specific code in the Genitourinary System chapter (block N85). The 2026 edition of ICD-10-CM N85.02 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under N85.02. Per CMS ICD-10-CM Tabular 2026.
- Endometrial hyperplasia with atypia
Type 1 Excludes
Pure excludes, these codes can never be coded together with N85.02. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- malignant neoplasm of endometrium (with endometrial intraepithelial neoplasia [EIN]) (C54.1)
Medicare LCD Coverage for N85.02
Local Coverage Determinations (LCDs) from CMS MACs that list N85.02 as a covered diagnosis.
Showing top 10. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing N85.02.
3 Medicare
1 Aetna
CPT Codes Commonly Billed with N85.02
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 58999 CMS LCD: Billing and Coding: Endometrial Hyperplasia Treatment CMS LCD
Convert N85.02 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| N85.02 | 62133 | 10000 |
| N85.02 | 62135 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To N85.02
Other codes in section N80-N98 (Noninflammatory disorders of female genital tract).
ICD-10 N85.02, Billing FAQ
Is ICD-10 code N85.02 billable? +
Yes, N85.02 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to N85.02? +
ICD-10 N85.02 includes: Endometrial hyperplasia with atypia.
What codes are Type 1 Excludes for N85.02? +
Type 1 Excludes (never code together with N85.02): malignant neoplasm of endometrium (with endometrial intraepithelial neoplasia [EIN]) (C54.1)
What CPT codes are commonly billed with N85.02? +
Procedures frequently paired with N85.02 include: 58999.
What ICD-9 codes does N85.02 map to? +
Per CMS GEMs, N85.02 maps to ICD-9 codes: 62133, 62135. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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