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ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 N84.0

Billable / Specific

Polyp of corpus uteri

N84
Block
2
Synonyms
1
LCDs
2
Payer Policies
2
Linked CPTs

About ICD-10-CM N84.0

ICD-10-CM code N84.0 represents Polyp of corpus uteri. This is a billable/specific code in the Genitourinary System chapter (block N84). The 2026 edition of ICD-10-CM N84.0 became effective on October 1, 2025.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under N84.0. Per CMS ICD-10-CM Tabular 2026.

  • Polyp of endometrium
  • Polyp of uterus NOS

Type 1 Excludes

Pure excludes, these codes can never be coded together with N84.0. The conditions are mutually exclusive (e.g., congenital vs acquired forms).

  • polypoid endometrial hyperplasia (N85.0-)

Medicare LCD Coverage for N84.0

Local Coverage Determinations (LCDs) from CMS MACs that list N84.0 as a covered diagnosis.

1 LCDs

Showing top 1. Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Endometrial Hyperplasia Treatment
Article ID: 53043, Effective: 2023-01-01 00:00:00, 4 covered, 0 non-covered
CPT 58999 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing N84.0.

2 policies

1 Medicare

Billing and Coding: Endometrial Hyperplasia Treatment
Policy ID: ART-53043

1 Aetna

Infertility
Policy ID: CPB-0327

CPT Codes Commonly Billed with N84.0

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

2 linkages
  • 58558 Hysteroscopy with biopsy — menorrhagia, irregular menses, excessive menstruation, endometrial polyp, endometrial hyperplasia, uterine fibroid, endometriosis of uterus, abnormal uterine bleeding OB/GYN
  • 58999 CMS LCD: Billing and Coding: Endometrial Hyperplasia Treatment CMS LCD

Convert N84.0 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10ICD-9Mapping Flags
N84.0 6210 10000

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

ICD-10 N84.0, Billing FAQ

Is ICD-10 code N84.0 billable? +

Yes, N84.0 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 N84.0? +

ICD-10 N84.0 includes: Polyp of endometrium; Polyp of uterus NOS.

What codes are Type 1 Excludes for N84.0? +

Type 1 Excludes (never code together with N84.0): polypoid endometrial hyperplasia (N85.0-)

What CPT codes are commonly billed with N84.0? +

Procedures frequently paired with N84.0 include: 58558, 58999.

What ICD-9 codes does N84.0 map to? +

Per CMS GEMs, N84.0 maps to ICD-9 codes: 6210. 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 July 17, 2026.

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