ICD-10-CM Book 2025 Edition
Chapters ICD-10-CM Book Table of Content /
chapter 3 D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism /
D80-D89 Certain disorders involving the immune mechanism /
D81 Combined immunodeficiencies
Billable ICD-10-CM Code D81.9
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D81.9
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Combined immunodeficiency, unspecified
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| Severe combined immunodeficiency disorder [SCID] NOS |