ICD-10 Code T78.3XXD - Angioneurotic edema, subsequent encounter

ICD-10-CM Diagnosis Code T78.3XXD

Diagnosis Code: T78.3XXD (Raw: T783XXD)

Description: Angioneurotic edema, subsequent encounter

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code T78.3XXD is designated for Angioneurotic edema, subsequent encounter. 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.