E03.4

Billable
ChapterE00–E89
Ranksubcategory
Official Description

Atrophy of thyroid (acquired)

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).

Instructional Notes

Excludes1(Not coded here)
  • congenital atrophy of thyroid (E03.1)
General instructions are available for the parent sections:

Clinical Hierarchy

CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E00-E07Disorders of thyroid gland (E00-E07)
E03Other hypothyroidism
E03.4Atrophy of thyroid (acquired)

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E03.4:

categoryE03
Other hypothyroidism
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 E03.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths
Cachexia1 unique routes
Gull's disease1 unique routes
Direct index entryE03.4
Strumipriva cachexia1 unique routes
Direct index entryE03.4

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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Find surgical and procedural codes related to Atrophy of thyroid (acquired).

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