ICD-10-CM E32 is the diagnosis code for Diseases of thymus. This code falls under the section "Disorders of other endocrine glands" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as E32. They are mutually exclusive:
Understanding where E32 sits in the ICD-10-CM classification helps ensure proper coding:
No, E32 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
E32 is the ICD-10-CM diagnosis code for "Diseases of thymus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
E32 is located in Section E20-E35 — "Disorders of other endocrine glands" within Chapter 4 of the ICD-10-CM Tabular List.
E32 has 4 sub-code(s) that provide more specific detail: E32.0, E32.1, E32.8, E32.9.
Use E32 when the patients documented diagnosis matches "Diseases of thymus" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Diseases of thymus is E32.
No, E32 is non-billable. Use a more specific sub-code for primary diagnosis billing.
E32 is in Chapter 4 of the ICD-10-CM Tabular List.
Type 1 Excludes for E32 include: aplasia or hypoplasia of thymus with immunodeficiency (D82.1); myasthenia gravis (G70.0).
Yes, E32 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.