MCMedicalCodingSoftware
E35

E35: Disorders of endocrine glands in diseases classified elsewhere

Billable / specific codeICD-10-CM

E35 is a billable, specific ICD-10-CM code for disorders of endocrine glands in diseases classified elsewhere. It is valid for submission on a claim.

Check E35 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • 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

The underlying condition must be sequenced before this code.

  • underlying disease, such as:
  • late congenital syphilis of thymus gland [Dubois disease] (A50.59)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

E35 is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56551Billing and Coding: Visual Fields Testing
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
  • A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
  • A57029Billing and Coding: Ultrasound, Soft Tissues of Head and Neck

Code history

Unchanged in every release from FY2024 to FY2027.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.