ICD-10 E66.3
Billable / SpecificOverweight
About ICD-10-CM E66.3
ICD-10-CM code E66.3 represents Overweight. This is a billable/specific code in the Endocrine, Nutritional, and Metabolic chapter (block E66). The 2026 edition of ICD-10-CM E66.3 became effective on October 1, 2025.
Medicare LCD Coverage for E66.3
Local Coverage Determinations (LCDs) from CMS MACs that list E66.3 as a covered diagnosis.
Showing top 10 of 39 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing E66.3.
2 Aetna
5 Medicare
CPT Codes Commonly Billed with E66.3
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 0003M CMS LCD: Billing and Coding: MolDX: Biomarker Testing for Risk Stratification in Metabolic Dysfunction-Associated Steatotic Liver Disease and Metabolic Dysfunction-Associated Steatohepatitis CMS LCD
- 0468U CMS LCD: Billing and Coding: MolDX: Biomarker Testing for Risk Stratification in Metabolic Dysfunction-Associated Steatotic Liver Disease and Metabolic Dysfunction-Associated Steatohepatitis CMS LCD
- 0166U CMS LCD: Billing and Coding: MolDX: Biomarker Testing for Risk Stratification in Metabolic Dysfunction-Associated Steatotic Liver Disease and Metabolic Dysfunction-Associated Steatohepatitis CMS LCD
- 81517 CMS LCD: Billing and Coding: MolDX: Biomarker Testing for Risk Stratification in Metabolic Dysfunction-Associated Steatotic Liver Disease and Metabolic Dysfunction-Associated Steatohepatitis CMS LCD
- 0344U CMS LCD: Billing and Coding: MolDX: Biomarker Testing for Risk Stratification in Metabolic Dysfunction-Associated Steatotic Liver Disease and Metabolic Dysfunction-Associated Steatohepatitis CMS LCD
Convert E66.3 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 |
|---|---|---|
| E66.3 | 27802 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To E66.3
Other codes in section E65-E68 (Overweight, obesity and other hyperalimentation).
ICD-10 E66.3, Billing FAQ
Is ICD-10 code E66.3 billable? +
Yes, E66.3 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with E66.3? +
Procedures frequently paired with E66.3 include: 0003M, 0468U, 0166U, 81517, 0344U.
What ICD-9 codes does E66.3 map to? +
Per CMS GEMs, E66.3 maps to ICD-9 codes: 27802. 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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