D83: Common variable immunodeficiency

Codes under D83 (Common variable immunodeficiency). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
D83.0	Common variable immunodeficiency with predominant abnormalities of B-cell numbers and function	✓
D83.1	Common variable immunodeficiency with predominant immunoregulatory T-cell disorders	✓
D83.2	Common variable immunodeficiency with autoantibodies to B- or T-cells	✓
D83.8	Other common variable immunodeficiencies	✓
D83.9	Common variable immunodeficiency, unspecified	✓

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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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