D84.0
Billable codeLymphocyte function antigen-1 [LFA-1] defect
The ICD-10 code for lymphocyte function antigen-1 [lfa-1] defect is D84.0.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- D84.1Defects in the complement system
- D84.8Other specified immunodeficienciesnon-billable header
- D84.9Immunodeficiency, unspecified
- D84.0Lymphocyte function antigen-1 [LFA-1] defect
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2798Approximate match
Associated MS-DRGs
D84.0 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.