D84.821

The ICD-10-CM code for immunodeficiency due to drugs is D84.821. The full clinical description is "Immunodeficiency due to drugs". D84.821 is a billable/specific code that can be used on insurance claims and medical billing.

ICD-10-CM code D84.821 represents “Immunodeficiency due to drugs”. It is classified under Chapter 3: Diseases of the Blood and Blood-Forming Organs and is a billable/specific code that can be used on a claim.

Yes, D84.821 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

D84.821 is in Chapter 3: Diseases of the Blood and Blood-Forming Organs (codes D50-D89).

D84.821 has Excludes1 notes indicating codes that cannot be used together with it, including: autoimmune disease (systemic) NOS (M35.9); functional disorders of polymorphonuclear neutrophils (D71); human immunodeficiency virus [HIV] disease (B20).

Yes, when using D84.821, also report: adverse effect if applicable, to identify adverse effect of drug (T36-T50 with fifth or six character 5).

D84.821 maps to 3 SNOMED CT concepts: 234645009, 10838971000119103, 950410381000119107. SNOMED CT is a clinical terminology used in electronic health records.

D84.821 is linked to 2 UMLS Concept Unique Identifiers: C5385208, C5384652. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like immunodeficiency due to drugs affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

There is no direct ICD-11 mapping available for D84.821 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.