E32: Diseases of thymus
Codes under E32 (Diseases of thymus). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| E32.0 | Persistent hyperplasia of thymus | ✓ |
| E32.0 | Persistent hyperplasia of thymus | ✓ |
| E32.1 | Abscess of thymus | ✓ |
| E32.1 | Abscess of thymus | ✓ |
| E32.8 | Other diseases of thymus | ✓ |
| E32.8 | Other diseases of thymus | ✓ |
| E32.9 | Disease of thymus, unspecified | ✓ |
| E32.9 | Disease of thymus, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code E32?
E32 is an ICD-10-CM category covering Diseases of thymus. It contains 8 more specific diagnosis codes, 8 of which are billable.
Is E32 a billable code?
No — E32 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example E32.0 — Persistent hyperplasia of thymus). 8 of the 8 codes under E32 are billable.
What codes fall under E32?
E32 includes E32.0, E32.0, E32.1, E32.1, E32.8, plus 3 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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