E05.1

Non-Billable
ChapterE00–E89
Ranksubcategory
Official Description

Thyrotoxicosis with toxic single thyroid nodule

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).

Instructional Notes

Includes
  • Thyrotoxicosis with toxic uninodular goiter
General instructions are available for the parent sections:
View CH4 NotesView E05 Notes

Clinical Hierarchy

CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E00-E07Disorders of thyroid gland (E00-E07)
E05Thyrotoxicosis [hyperthyroidism]
E05.1Thyrotoxicosis with toxic single thyroid nodule
E05.10Thyrotoxicosis with toxic single thyroid nodule without thyrotoxic crisis or storm
E05.11Thyrotoxicosis with toxic single thyroid nodule with thyrotoxic crisis or storm

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E05.1:

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 E05.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

14 raw paths
Goiter (plunging) (substernal)2 unique routes
uninodular (nontoxic)(2 variants)
toxic or with hyperthyroidism→E05.1(2 variants)
with thyroid storm→E05.1
Hyperthyroidism (latent) (pre-adult) (recurrent)2 unique routes
with(2 variants)
goiter (diffuse)(2 variants)
nodular (multinodular)(2 variants)
uninodular→E05.1(2 variants)
with thyroid storm→E05.1
Struma4 unique routes
nodosa (simplex)(4 variants)
toxic or with hyperthyroidism(2 variants)
uninodular→E05.1(2 variants)
with thyroid storm→E05.1
toxicosa(2 variants)
uninodular→E05.1(2 variants)
with thyroid storm→E05.1
Thyrotoxicosis (recurrent)6 unique routes
with(6 variants)
goiter (diffuse)(4 variants)
adenomatous uninodular→E05.1(2 variants)
with thyroid storm→E05.1
uninodular→E05.1(2 variants)
with thyroid storm→E05.1
single thyroid nodule→E05.1(2 variants)
with thyroid storm→E05.1

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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