ICD-10-CM Diagnosis Code D89.84
Diagnosis Code: D89.84 (Raw: D8984)
Description: IgG4-related disease
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 D89.84 is designated for IgG4-related disease. 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.