ICD-10-CM Diagnosis Code D80.5
Diagnosis Code: D80.5 (Raw: D805)
Description: Immunodeficiency with increased immunoglobulin M [IgM]
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 D80.5 is designated for Immunodeficiency with increased immunoglobulin M [IgM]. 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.