All ICD10 Codes

I51.8

Non-Billable
ChapterI00–I99
Ranksubcategory
Official Description

Other ill-defined heart diseases

Use a more specific code (2 billable)
I51.81Takotsubo syndromeI51.89Other ill-defined heart diseases
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).
General instructions are available for the parent sections:
View CH9 NotesView I51 Notes

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I30-I5AOther forms of heart disease (I30-I5A)
I51Complications and ill-defined descriptions of heart disease
I51.8Other ill-defined heart diseasesNot billable
I51.81Takotsubo syndromeBillable
I51.89Other ill-defined heart diseasesBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I51.8:

categoryI51
Complications and ill-defined descriptions of heart disease
View context instructions
chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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