E05.3

Non-Billable
ChapterE00–E89
Ranksubcategory
Official Description

Thyrotoxicosis from ectopic thyroid tissue

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).
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]
E05.3Thyrotoxicosis from ectopic thyroid tissue
E05.30Thyrotoxicosis from ectopic thyroid tissue without thyrotoxic crisis or storm
E05.31Thyrotoxicosis from ectopic thyroid tissue with thyrotoxic crisis or storm

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E05.3:

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 E05.3. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths
Hyperthyroidism (latent) (pre-adult) (recurrent)2 unique routes
due to ectopic thyroid tissue→E05.3(2 variants)
with thyroid storm→E05.3
Thyrotoxicosis (recurrent)2 unique routes
due to(2 variants)
ectopic thyroid nodule or tissue→E05.3(2 variants)
with thyroid storm→E05.3

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Thyrotoxicosis from ectopic thyroid tissue.

Search PCS Codes