D84.81: Immunodeficiency due to conditions classified elsewhere
D84.81 is the billable ICD-10-CM diagnosis code for Immunodeficiency due to conditions classified elsewhere. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code D84.81?
D84.81 is the ICD-10-CM diagnosis code for Immunodeficiency due to conditions classified elsewhere. It belongs to category D84 (Other immunodeficiencies).
Is D84.81 a billable code?
Yes. D84.81 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does D84.81 belong to?
D84.81 is part of ICD-10-CM category D84 — Other immunodeficiencies, which has 14 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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