E35
✓ Billable
Disorders of endocrine glands in diseases classified elsewhere
ICD-10-CM · FY2026 · Endocrine, Nutritional and Metabolic Diseases
Code
E35
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Endocrine, Nutritional and Metabolic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code together
- 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)
Code first
- underlying disease, such as:
- late congenital syphilis of thymus gland [Dubois disease] (A50.59)
Frequently asked questions
What is ICD-10 code E35?
ICD-10-CM code E35 represents Disorders of endocrine glands in diseases classified elsewhere. It is a billable diagnosis code in the Endocrine, Nutritional and Metabolic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is E35 billable?
Yes. E35 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is E35 in?
E35 belongs to the Endocrine, Nutritional and Metabolic Diseases chapter (E00–E89) of ICD-10-CM.
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