E05.91
Billable codeThyrotoxicosis, unspecified with thyrotoxic crisis or storm
The ICD-10 code for thyrotoxicosis, unspecified with thyrotoxic crisis or storm is E05.91.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E05.90Thyrotoxicosis, unspecified without thyrotoxic crisis or storm
- E05.91Thyrotoxicosis, unspecified with thyrotoxic crisis or storm
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 24291
Associated MS-DRGs
E05.91 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
- DRG 012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
- DRG 013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
- DRG 606Minor Skin Disorders with MCC
- DRG 607Minor Skin Disorders without MCC
- DRG 643Endocrine Disorders with MCC
- DRG 644Endocrine Disorders with CC
- DRG 645Endocrine Disorders without CC/MCC