E05.91
✓ BillableThyrotoxicosis, unspecified with thyrotoxic crisis or storm
Endocrine, nutritional and metabolic diseases (E00-E89)
✅ No additional coding notes for E05.91
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CodeE05.91
BillableYes
ParentE05.9
CategoryEndocrine, nutritional and metabolic diseases (E00-E89)
Excludes10 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)