ICD-10 Code E05 – Thyrotoxicosis [hyperthyroidism] (2026): Diagnosis, Symptoms & Billing Guide
The ICD-10 code for Thyrotoxicosis [hyperthyroidism] is E05.2026 ICD-10-CM Diagnosis Code E05 – Thyrotoxicosis [hyperthyroidism] Related ICD-10 Codes More specific subcodes: 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…