ICD-10-CM Diagnosis Code I31.3
Diagnosis Code: I31.3 (Raw: I313)
Description: Pericardial effusion (noninflammatory)
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting (Excluded from No-Fault liability reporting).
Overview & Clinical Details
ICD-10-CM code I31.3 is designated for Pericardial effusion (noninflammatory). In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.