2022 ICD-10-CM Code E05.9

Thyrotoxicosis, unspecified

Version 2021

Not Valid for Submission

ICD-10:E05.9
Short Description:Thyrotoxicosis, unspecified
Long Description:Thyrotoxicosis, unspecified

Code Classification

  • Endocrine, nutritional and metabolic diseases (E00–E90)
    • Disorders of thyroid gland (E00-E07)
      • Thyrotoxicosis [hyperthyroidism] (E05)

E05.9 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of thyrotoxicosis, unspecified. The code is not specific and is NOT valid for the year 2022 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Unspecified diagnosis codes like E05.9 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Specific Coding for Thyrotoxicosis, unspecified

Non-specific codes like E05.9 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for thyrotoxicosis, unspecified:

  • BILLABLE CODE - Use E05.90 for Thyrotoxicosis, unspecified without thyrotoxic crisis or storm
  • BILLABLE CODE - Use E05.91 for Thyrotoxicosis, unspecified with thyrotoxic crisis or storm

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code E05.9:


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

Clinical Information

Information for Patients


Hyperthyroidism

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 your breathing, heart rate, weight, digestion, and moods. If not treated, hyperthyroidism can cause serious problems with your heart, bones, muscles, menstrual cycle, and fertility. But there are treatments that can help.

What causes hyperthyroidism?

Hyperthyroidism has several causes. They include

Who is at risk for hyperthyroidism?

You are at higher risk for hyperthyroidism if you

What are the symptoms of hyperthyroidism?

The symptoms of hyperthyroidism can vary from person to person and may include

Adults over age 60 may have different symptoms than younger adults. For example, they may lose their appetite or withdraw from other people. Sometimes this can be mistaken for depression or dementia.

What other problems can hyperthyroidism cause?

If hyperthyroidism isn't treated, it can cause some serious health problems, including

How is hyperthyroidism diagnosed?

Your health care provider may use many tools to make a diagnosis:

What are the treatments for hyperthyroidism?

The treatments for hyperthyroidism include medicines, radioiodine therapy, and thyroid surgery:

If you have hyperthyroidism, it's important not to get too much iodine. Talk to your health care provider about which foods, supplements, and medicines you need to avoid.

NIH: National Institute of Diabetes and Digestive and Kidney Diseases


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Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)