E05.3 (Thyrotoxicosis from ectopic thyroid tissue) is an umbrella ICD-10-CM medical diagnosis code in the Endocrine, nutritional and metabolic diseases chapter. It identifies cases of thyrotoxicosis from ectopic thyroid tissue for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

E05.3 — Thyrotoxicosis from ectopic thyroid tissue

Chapter E00-E89: Endocrine, nutritional and metabolic diseases

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Sub-codes under E05.3

E05.30Thyrotxcosis from ectopic thyroid tissue w/o thyrotxc crisisE05.31Thyrotxcosis from ectopic thyroid tissue w thyrotoxic crisis

Related diagnoses

E05.0Thyrotoxicosis with diffuse goiterE05.1Thyrotoxicosis with toxic single thyroid noduleE05.2Thyrotoxicosis with toxic multinodular goiterE05.4Thyrotoxicosis factitiaE05.8Other thyrotoxicosisE05.9Thyrotoxicosis, unspecified

Common questions about E05.3 (Thyrotoxicosis from ectopic thyroid tissue)

What does ICD-10 code E05.3 mean?
E05.3 is the ICD-10-CM 2025 code for Thyrotoxicosis from ectopic thyroid tissue. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is E05.3 a billable diagnosis code?
E05.3 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under E05.3. Browse the sub-codes listed on this page.
Which ICD-10 chapter does E05.3 belong to?
E05.3 belongs to the chapter "Endocrine, nutritional and metabolic diseases" (codes E00-E89). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Thyrotoxicosis from ectopic thyroid tissue?
For a plain-language explanation of Thyrotoxicosis from ectopic thyroid tissue, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Thyrotoxicosis from ectopic thyroid tissue" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗