D84.0: Lymphocyte function antigen-1 [LFA-1] defect
D84.0 is the billable ICD-10-CM diagnosis code for Lymphocyte function antigen-1 [LFA-1] defect. 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 D84.0?
D84.0 is the ICD-10-CM diagnosis code for Lymphocyte function antigen-1 [LFA-1] defect. It belongs to category D84 (Other immunodeficiencies).
Is D84.0 a billable code?
Yes. D84.0 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 D84.0 belong to?
D84.0 is part of ICD-10-CM category D84 — Other immunodeficiencies, which has 14 billable codes.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free