D84

Non-billable

Other immunodeficiencies

D84 is the ICD-10-CM code for Other immunodeficiencies. It is a non-billable category code — use a more specific child code such as D84.0 for billing.

Status
Header (non-billable)
Chapter
D50-D89
Subcodes
4
Edition
FY2026

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

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code D84?
D84 is the ICD-10-CM code for "Other immunodeficiencies". It falls under D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
Is D84 a billable code?
No — D84 is a non-billable header code. Use a more specific child code (such as D84.0) for billing.
What are the subcodes of D84?
D84 has 4 more specific child codes, including D84.0, D84.1, D84.8.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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