E05.90
Thyrotoxicosis, unspecified without thyrotoxic crisis or storm
Risk-adjusting (HCC)Billable code
HCC risk adjustment mapping
RxHCC V08
RXHCC44
Thyroid Disorders
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Inherited from E05.9Thyrotoxicosis, unspecified
Synonyms
Hyperthyroidism NOS
Inherited from E05Thyrotoxicosis [hyperthyroidism]
Inherited from chapter 4Endocrine, nutritional and metabolic diseases
Excludes 1
transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Note
All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Official Guidelines for E05.90
FY 2026 ›Find E05.90 in the alphabetic index
22 index paths lead to this code
- Hyperthyroidism
- Thyrotoxicosis
- Cardiomyopathy › thyrotoxic
- Myocardiopathy › thyrotoxic
- Myxedema › circumscribed
- Myxedema › localized
- Syndrome › Leopold-Levi's
- Thyrotoxic › heart disease or failure
- Thyrotoxicosis › heart
- Arthropathy › in › hyperthyroidism
- Arthropathy › in › thyrotoxicosis
- Cardiomyopathy › metabolic › thyrotoxic
- Chloasma › eyelid › hyperthyroid
- Disease, diseased › heart › hyperthyroid
- Disease, diseased › heart › thyrotoxic
- Disease, diseased › thyroid › heart
- Failure, failed › Note: heart failure stages A, B, C, and D are based on the American College of Cardiology and American Heart Association stages of heart failure, which complement and should not be confused with the New York Heart Association Classification of Heart Failure, into Class I, Class II, Class III, and Class IV › thyrotoxic
- Myopathy › in › thyrotoxicosis
- Thyrotoxicosis › heart › failure
- Myasthenia › syndrome › in › thyrotoxicosis
- Syndrome › myasthenic › in › thyrotoxicosis
- Neuropathy, neuropathic › peripheral › autonomic › in › hyperthyroidism