E32.0

✓ Billable

Persistent hyperplasia of thymus

Endocrine, nutritional and metabolic diseases (E00-E89)

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Also Known As

Hypertrophy of thymus

❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

  • aplasia or hypoplasia of thymus with immunodeficiency (D82.1)
  • myasthenia gravis (G70.0)

Clinical Description

ICD-10-CM code E32.0 represents persistent hyperplasia of thymus. This code falls under the Endocrine, nutritional and metabolic diseases (E00-E89) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory. Coders should note that E32.0 has 2 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code E32.0?

ICD-10-CM code E32.0 is "Persistent hyperplasia of thymus". It belongs to the category: Endocrine, nutritional and metabolic diseases (E00-E89).

Is E32.0 a billable ICD-10 code?

Yes, E32.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with E32.0?

E32.0 has 2 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Related Codes in E32

Other codes in the same category that may be relevant for differential coding:

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Code Information

CodeE32.0
BillableYes
ParentE32
CategoryEndocrine, nutritional and metabolic diseases (E00-E89)
Excludes12 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)