D80
⚠ Non-billable (Header)Immunodeficiency with predominantly antibody defects
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for D80
Child Codes (10)
D80.0Hereditary hypogammaglobulinemiaD80.1Nonfamilial hypogammaglobulinemiaD80.2Selective deficiency of immunoglobulin A [IgA]D80.3Selective deficiency of immunoglobulin G [IgG] subclassesD80.4Selective deficiency of immunoglobulin M [IgM]D80.5Immunodeficiency with increased immunoglobulin M [IgM]D80.6Antibody deficiency with near-normal immunoglobulins or with hyperimmunoglobulinemiaD80.7Transient hypogammaglobulinemia of infancyD80.8Other immunodeficiencies with predominantly antibody defectsD80.9Immunodeficiency with predominantly antibody defects, unspecified
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CodeD80
BillableNo — Header code
CategoryDiseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Excludes10 rule(s)
Excludes20 note(s)
Child codes10
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)