10ICD Code Hub

I51.81

Billable code

Takotsubo syndrome

The ICD-10 code for takotsubo syndrome is I51.81.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Reversible left ventricular dysfunction following sudden emotional stress
  • Stress induced cardiomyopathy
  • Takotsubo cardiomyopathy
  • Transient left ventricular apical ballooning syndrome

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

I51.81 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.