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D80.9

✓ Billable

Immunodeficiency with predominantly antibody defects, unspecified

Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

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✅ No additional coding notes for D80.9

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Code Information

CodeD80.9
BillableYes
ParentD80
CategoryDiseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)