ICD-10-CM E05: Thyrotoxicosis [hyperthyroidism]

ICD-10-CM Diagnosis Code (2025)

Official Description for E05

Thyrotoxicosis [hyperthyroidism]

Coding Notes & Guidelines for E05

Excludes1: Not Coded Here
  • chronic thyroiditis with transient thyrotoxicosis (E06.2)
  • neonatal thyrotoxicosis (P72.1)
Inclusion Terms
  • Exophthalmic or toxic goiter NOS
  • Graves' disease
  • Toxic diffuse goiter
Inclusion Terms

Thyrotoxicosis with toxic uninodular goiter

Inclusion Terms

Toxic nodular goiter NOS

Inclusion Terms

Overproduction of thyroid-stimulating hormone

Inclusion Terms

Hyperthyroidism NOS

Child Codes (More Specific Codes for E05):

E05.0 - Thyrotoxicosis with diffuse goiter E05.00 - Thyrotoxicosis with diffuse goiter without thyrotoxic crisis or storm E05.01 - Thyrotoxicosis with diffuse goiter with thyrotoxic crisis or storm E05.1 - Thyrotoxicosis with toxic single thyroid nodule E05.10 - Thyrotoxicosis with toxic single thyroid nodule without thyrotoxic crisis or storm E05.11 - Thyrotoxicosis with toxic single thyroid nodule with thyrotoxic crisis or storm E05.2 - Thyrotoxicosis with toxic multinodular goiter E05.20 - Thyrotoxicosis with toxic multinodular goiter without thyrotoxic crisis or storm E05.21 - Thyrotoxicosis with toxic multinodular goiter with thyrotoxic crisis or storm E05.3 - Thyrotoxicosis from ectopic thyroid tissue E05.30 - Thyrotoxicosis from ectopic thyroid tissue without thyrotoxic crisis or storm E05.31 - Thyrotoxicosis from ectopic thyroid tissue with thyrotoxic crisis or storm E05.4 - Thyrotoxicosis factitia E05.40 - Thyrotoxicosis factitia without thyrotoxic crisis or storm E05.41 - Thyrotoxicosis factitia with thyrotoxic crisis or storm E05.8 - Other thyrotoxicosis E05.80 - Other thyrotoxicosis without thyrotoxic crisis or storm E05.81 - Other thyrotoxicosis with thyrotoxic crisis or storm E05.9 - Thyrotoxicosis, unspecified E05.90 - Thyrotoxicosis, unspecified without thyrotoxic crisis or storm E05.91 - Thyrotoxicosis, unspecified with thyrotoxic crisis or storm

About ICD-10-CM Code E05 (Thyrotoxicosis [hyperthyroidism])

ICD-10-CM code E05 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM E05 became effective on October 1, 2024.

This page provides detailed information about E05 - Thyrotoxicosis [hyperthyroidism]. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Thyrotoxicosis [hyperthyroidism].