ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesChapter 4: Endocrine, nutritional and metabolic diseasesE32

E32

Billable

Diseases of thymus

Chapter 4:Endocrine, nutritional and metabolic diseases

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 E32 is a billable code used to indicate a diagnosis of diseases of thymus.

Key Diagnostic Point:

Diseases of the thymus encompass a range of conditions affecting this small organ located in the upper chest, which plays a crucial role in the immune system, particularly during puberty. The thymus is responsible for the maturation of T-cells, which are essential for adaptive immunity. Disorders of the thymus can lead to various clinical manifestations, including autoimmune diseases, thymomas, and thymic hyperplasia. In the context of puberty, abnormalities in thymus function can contribute to growth disorders and hormonal imbalances, potentially leading to conditions such as delayed puberty or precocious puberty. Polyglandular autoimmune syndromes may also involve thymic dysfunction, where the thymus fails to regulate immune responses adequately, resulting in multiple endocrine disorders. Additionally, growth abnormalities may arise from thymic diseases due to their impact on the endocrine system, particularly in the regulation of growth hormones. Accurate diagnosis and management of thymic diseases are essential to prevent complications and ensure proper growth and development during critical periods such as puberty.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation of thymic diseases
  • Overlap with autoimmune disorders and other endocrine conditions
  • Need for comprehensive documentation of symptoms and lab results
  • Potential for misdiagnosis due to similar presentations with other conditions

Audit Risk Factors

  • Inadequate documentation of thymic disease diagnosis
  • Failure to document associated endocrine disorders
  • Misclassification of thymic tumors
  • Lack of clarity in the relationship between thymus disorders and growth abnormalities

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed hormonal assessments, growth charts, and endocrine function tests.

Common Clinical Scenarios

Patients presenting with delayed or precocious puberty, unexplained growth abnormalities.

Billing Considerations

Ensure comprehensive documentation of all endocrine evaluations and any associated autoimmune conditions.

Oncology

Documentation Requirements

Pathology reports, imaging studies, and treatment plans for thymomas.

Common Clinical Scenarios

Patients diagnosed with thymoma or thymic carcinoma requiring surgical intervention or chemotherapy.

Billing Considerations

Accurate staging and classification of thymic tumors are critical for coding and treatment planning.

Coding Guidelines

Inclusion Criteria

Use E32 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the specific thymic condition
  • Include any associated conditions, and adhere to inclusion criteria for thymic diseases

Exclusion Criteria

Do NOT use E32 When
  • Exclude conditions that do not directly relate to thymic dysfunction

Related CPT Codes

38500CPT Code

Biopsy of the thymus

Clinical Scenario

Used when a thymic mass is suspected to be malignant.

Documentation Requirements

Pathology report and imaging studies must be documented.

Specialty Considerations

Oncology specialists should ensure accurate staging and classification.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of thymic diseases, improving the accuracy of diagnoses and treatment plans. This specificity aids in better tracking of disease prevalence and outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of thymic diseases, improving the accuracy of diagnoses and treatment plans. This specificity aids in better tracking of disease prevalence and outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of thymic diseases, improving the accuracy of diagnoses and treatment plans. This specificity aids in better tracking of disease prevalence and outcomes.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What are the common symptoms of thymic diseases?

Common symptoms include fatigue, weakness, autoimmune manifestations, and growth abnormalities. Patients may also present with respiratory issues if a thymoma is present.