I312026
Non-billable
Other diseases of pericardium
I31 is a non-billable ICD-10-CM category (header) code for Other diseases of pericardium; a more specific code below it is required for claims in the FY2026 code set.
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Related MS-DRGs
397,504 Medicare hospitalizations across 5 DRGs for codes in I31
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Official Guidelines
Chapter 9: Diseases of the Circulatory System
Official coding guidelines for I00-I99