ICD-10 E04.0
Billable / SpecificNontoxic diffuse goiter
About ICD-10-CM E04.0
ICD-10-CM code E04.0 represents Nontoxic diffuse goiter. This is a billable/specific code in the Endocrine, Nutritional, and Metabolic chapter (block E04). The 2026 edition of ICD-10-CM E04.0 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under E04.0. Per CMS ICD-10-CM Tabular 2026.
- Diffuse (colloid) nontoxic goiter
- Simple nontoxic goiter
Medicare LCD Coverage for E04.0
Local Coverage Determinations (LCDs) from CMS MACs that list E04.0 as a covered diagnosis.
Showing top 10 of 354 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing E04.0.
2 Cigna
5 Medicare
CPT Codes Commonly Billed with E04.0
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 76536 CMS LCD: Billing and Coding: Ultrasound, Soft Tissues of Head and Neck CMS LCD
Convert E04.0 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 |
|---|---|---|
| E04.0 | 2400 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To E04.0
Other codes in section E00-E07 (Disorders of thyroid gland).
ICD-10 E04.0, Billing FAQ
Is ICD-10 code E04.0 billable? +
Yes, E04.0 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 E04.0? +
ICD-10 E04.0 includes: Diffuse (colloid) nontoxic goiter; Simple nontoxic goiter.
What CPT codes are commonly billed with E04.0? +
Procedures frequently paired with E04.0 include: 76536.
What ICD-9 codes does E04.0 map to? +
Per CMS GEMs, E04.0 maps to ICD-9 codes: 2400. 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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