ICD-10-CM Diagnosis Code D84.821
Diagnosis Code: D84.821 (Raw: D84821)
Description: Immunodeficiency due to drugs
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 D84.821 is designated for Immunodeficiency due to drugs. 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.
