E05.81

Billable

Other thyrotoxicosis with thyrotoxic crisis or storm

E05.81 is the ICD-10-CM code for Other thyrotoxicosis with thyrotoxic crisis or storm. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
E00-E89
Parent
E05.8
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

What this means — in plain language

MedlinePlus · NIH

What is hyperthyroidism? Hyperthyroidism, or overactive thyroid, happens when your thyroid gland makes more thyroid hormones than your body needs. Your thyroid is a small, butterfly-shaped gland in the front of your neck. It makes hormones that control the way the body uses energy. These hormones affect nearly every organ in your body and control many of your body's most important functions. For example, they affect…

Read more about Hyperthyroidism at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code E05.81?
E05.81 is the ICD-10-CM code for "Other thyrotoxicosis with thyrotoxic crisis or storm". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E05.81 a billable code?
Yes — E05.81 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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