HealthAssure
HealthAssureGood Life
ICD10BillableValid for clinical use

ICD-10 Code E35: Disorders of endocrine glands in diseases classified elsewhere

E35 is a billable ICD-10 diagnosis code used to classify Disorders of endocrine glands in diseases classified elsewhere in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

When is it used?

  • May be used when a clinician documents disorders of endocrine glands in diseases classified elsewhere in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
4Endocrine, nutritional and metabolic diseases (E00-E89)
block
E20-E35Disorders of other endocrine glands
currentE20-E35

Official coding notes

Applicable to
  • code, if applicable, to identify:
  • sequelae of tuberculosis of other organs (B90.8)
  • underlying disease, such as:
  • late congenital syphilis of thymus gland [Dubois disease] (A50.59)
Excludes1 (do not 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)
Use additional code
  • code, if applicable, to identify:
  • sequelae of tuberculosis of other organs (B90.8)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

EndocrinologistGeneral Physician

Coverage-related procedures and services

CPT 92083high
VISUAL FIELD EXAMINATION, UNILATERAL OR BILATERAL, WITH INTERPRETATION AND REPORT; EXTENDED EXAMINATION (EG, GOLDMANN VISUAL FIELDS WITH AT LEAST 3 ISOPTERS PLOTTED AND STATIC DETERMINATION WITHIN THE CENTRAL 30 DEG, OR QUANTITATIVE, AUTOMATED THRESHOLD PERIMETRY, OCTOPUS PROGRAM G-1, 32 OR 42, HUMPHREY VISUAL FIELD ANALYZER FULL THRESHOLD PROGRAMS 30-2, 24-2, OR 30/60-2)
Source: CMS coverage guidance
CPT 92082high
VISUAL FIELD EXAMINATION, UNILATERAL OR BILATERAL, WITH INTERPRETATION AND REPORT; INTERMEDIATE EXAMINATION (EG, AT LEAST 2 ISOPTERS ON GOLDMANN PERIMETER, OR SEMIQUANTITATIVE, AUTOMATED SUPRATHRESHOLD SCREENING PROGRAM, HUMPHREY SUPRATHRESHOLD AUTOMATIC DIAGNOSTIC TEST, OCTOPUS PROGRAM 33)
Source: CMS coverage guidance
CPT 92081high
VISUAL FIELD EXAMINATION, UNILATERAL OR BILATERAL, WITH INTERPRETATION AND REPORT; LIMITED EXAMINATION (EG, TANGENT SCREEN, AUTOPLOT, ARC PERIMETER, OR SINGLE STIMULUS LEVEL AUTOMATED TEST, SUCH AS OCTOPUS 3 OR 7 EQUIVALENT)
Source: CMS coverage guidance
CPT 00532high
ANESTHESIA FOR ACCESS TO CENTRAL VENOUS CIRCULATION
Source: CMS coverage guidance
CPT 01420high
ANESTHESIA FOR ALL CAST APPLICATIONS, REMOVAL, OR REPAIR INVOLVING KNEE JOINT
Source: CMS coverage guidance
CPT 01730high
ANESTHESIA FOR ALL CLOSED PROCEDURES ON HUMERUS AND ELBOW
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
E35

Common synonyms

Disorders of endocrine glands in diseases classified elsewhere

Frequently asked questions

Code details

CodeE35
SystemICD10
Display nameDisorders of endocrine glands in diseases classified elsewhere
ChapterEndocrine, nutritional and metabolic diseases (E00-E89)
BlockDisorders of other endocrine glands

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
CalcificationDisease, diseasedDubois' disease(thymus gland)Echinococcus(infection)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.