E32

Non-billable

Diseases of thymus

E32 is the ICD-10-CM code for Diseases of thymus. It is a non-billable category code — use a more specific child code such as E32.0 for billing.

Status
Header (non-billable)
Chapter
E00-E89
Subcodes
4
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

Excludes1 — not coded here

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

Frequently asked questions

What is ICD-10 code E32?
E32 is the ICD-10-CM code for "Diseases of thymus". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E32 a billable code?
No — E32 is a non-billable header code. Use a more specific child code (such as E32.0) for billing.
What are the subcodes of E32?
E32 has 4 more specific child codes, including E32.0, E32.1, E32.8.
What is excluded from E32?
Excludes1 (not coded here): aplasia or hypoplasia of thymus with immunodeficiency (D82.1); myasthenia gravis (G70.0).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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