ICD-10-CM E03.4 is the diagnosis code for Atrophy of thyroid (acquired). This code falls under the section "Disorders of thyroid gland" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 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 E03.4. They are mutually exclusive:
Understanding where E03.4 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, E03.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
E03.4 is the ICD-10-CM diagnosis code for "Atrophy of thyroid (acquired)". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of E03.4 is E03 ("Other hypothyroidism"). E03.4 provides a more specific classification within this category.
E03.4 is located in Section E00-E07 — "Disorders of thyroid gland" within Chapter 4 of the ICD-10-CM Tabular List.
Use E03.4 when the patients documented diagnosis matches "Atrophy of thyroid (acquired)" 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 Atrophy of thyroid (acquired) is E03.4.
Yes, E03.4 can be used as a primary diagnosis code since it is billable and specific.
E03.4 is in Chapter 4 of the ICD-10-CM Tabular List.
Type 1 Excludes for E03.4 include: congenital atrophy of thyroid (E03.1).
Yes, E03.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.