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D81.8

Non-billable

Other combined immunodeficiencies

D81.8 is the ICD-10-CM code for Other combined immunodeficiencies. It is a non-billable category code — use a more specific child code such as D81.81 for billing.

Status
Header (non-billable)
Chapter
D50-D89
Parent
D81
Subcodes
3
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 D81.8?
D81.8 is the ICD-10-CM code for "Other combined immunodeficiencies". It falls under D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
Is D81.8 a billable code?
No — D81.8 is a non-billable header code. Use a more specific child code (such as D81.81) for billing.
What are the subcodes of D81.8?
D81.8 has 3 more specific child codes, including D81.81, D81.82, D81.89.

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

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