ICD-10 E35
Billable / SpecificDisorders of endocrine glands in diseases classified elsewhere
About ICD-10-CM E35
ICD-10-CM code E35 represents Disorders of endocrine glands in diseases classified elsewhere. This is a billable/specific code in the Endocrine, Nutritional, and Metabolic chapter (block E35). The 2026 edition of ICD-10-CM E35 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with E35. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- Echinococcus granulosus infection of thyroid gland (B67.3)
- meningococcal hemorrhagic adrenalitis (A39.1)
- syphilis of endocrine gland (A52.79)
- tuberculosis of adrenal gland, except calcification (A18.7)
- tuberculosis of endocrine gland NEC (A18.82)
- tuberculosis of thyroid gland (A18.81)
- Waterhouse-Friderichsen syndrome (A39.1)
Use Additional Code
When coding E35, also report these additional codes when applicable.
- code, if applicable, to identify:
- sequelae of tuberculosis of other organs (B90.8)
Coding Notes
Code First
- underlying disease, such as:
- late congenital syphilis of thymus gland [Dubois disease] (A50.59)
Medicare LCD Coverage for E35
Local Coverage Determinations (LCDs) from CMS MACs that list E35 as a covered diagnosis.
Showing top 10 of 68 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing E35.
5 Medicare
CPT Codes Commonly Billed with E35
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert E35 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 |
|---|---|---|
| E35 | 2468 | 10000 |
| E35 | 2558 | 10000 |
| E35 | 2598 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To E35
Other codes in section E20-E35 (Disorders of other endocrine glands).
ICD-10 E35, Billing FAQ
Is ICD-10 code E35 billable? +
Yes, E35 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 1 Excludes for E35? +
Type 1 Excludes (never code together with E35): Echinococcus granulosus infection of thyroid gland (B67.3); meningococcal hemorrhagic adrenalitis (A39.1); syphilis of endocrine gland (A52.79)
What ICD-9 codes does E35 map to? +
Per CMS GEMs, E35 maps to ICD-9 codes: 2468, 2558, 2598. 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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