E05.90

Billable
ChapterE00–E89
Ranksubcategory
Official Description

Thyrotoxicosis, unspecified without thyrotoxic crisis or storm

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).
General instructions are available for the parent sections:
View CH4 NotesView E05 NotesView E05.9 Notes

Clinical Hierarchy

CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E00-E07Disorders of thyroid gland (E00-E07)
E05Thyrotoxicosis [hyperthyroidism]
E05.9Thyrotoxicosis, unspecified
E05.90Thyrotoxicosis, unspecified without thyrotoxic crisis or storm

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E05.90:

subcategoryE05.9
Thyrotoxicosis, unspecified
View context instructions
categoryE05
Thyrotoxicosis [hyperthyroidism]
View context instructions
chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to E05.90. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

22 raw paths
Arthropathy2 unique routes
in (due to)(2 variants)
hyperthyroidism→E05.90
thyrotoxicosis→E05.90
Cardiomyopathy (familial) (idiopathic)2 unique routes
metabolic
thyrotoxic→E05.90
thyrotoxic→E05.90
Chloasma (skin) (idiopathic) (symptomatic)1 unique routes
eyelid
hyperthyroid→E05.90
Disease, diseased3 unique routes
heart (organic)(2 variants)
hyperthyroid→E05.90
thyrotoxic→E05.90
thyroid (gland)
heart→E05.90
Failure, failed1 unique routes
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→E05.90
Hyperthyroidism (latent) (pre-adult) (recurrent)1 unique routes
Direct index entry→E05.90
Myasthenia1 unique routes
syndrome
in
thyrotoxicosis→E05.90
Myocardiopathy (congestive) (constrictive) (familial) (hypertrophic nonobstructive) (idiopathic) (infiltrative) (obstructive) (primary) (restrictive) (sporadic)1 unique routes
thyrotoxic→E05.90
Myopathy1 unique routes
in (due to)
thyrotoxicosis (hyperthyroidism)→E05.90
Myxedema (adult) (idiocy) (infantile) (juvenile)2 unique routes
circumscribed→E05.90
localized (pretibial)→E05.90
Neuropathy, neuropathic1 unique routes
peripheral (nerve)
autonomic
in (due to)
hyperthyroidism→E05.90
Syndrome2 unique routes
Leopold-Levi's→E05.90
myasthenic
in
thyrotoxicosis (hyperthyroidism)→E05.90
Thyrotoxic1 unique routes
heart disease or failure→E05.90
Thyrotoxicosis (recurrent)3 unique routes
Direct index entry→E05.90
heart→E05.90(2 variants)
failure→E05.90

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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