• Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

        • D80 - Immunodeficiency with predominantly antibody defects
        • D80.0 - Hereditary hypogammaglobulinemia
        • D80.1 - Nonfamilial hypogammaglobulinemia
        • D80.2 - Selective deficiency of immunoglobulin A [IgA]
        • D80.3 - Selective deficiency of immunoglobulin G [IgG] subclasses
        • D80.4 - Selective deficiency of immunoglobulin M [IgM]
        • D80.5 - Immunodeficiency with increased immunoglobulin M [IgM]
        • D80.6 - Antibody defic w near-norm immunoglob or w hyperimmunoglob
        • D80.7 - Transient hypogammaglobulinemia of infancy
        • D80.8 - Other immunodeficiencies with predominantly antibody defects
        • D80.9 - Immunodeficiency with predominantly antibody defects, unsp
        • D81 - Combined immunodeficiencies
        • D81.0 - Severe combined immunodeficiency with reticular dysgenesis
        • D81.1 - Severe combined immunodeficiency w low T- and B-cell numbers
        • D81.2 - Severe combined immunodef w low or normal B-cell numbers
        • D81.3 - Adenosine deaminase [ADA] deficiency
        • D81.30 - Adenosine deaminase deficiency, unspecified
        • D81.31 - Severe combined immunodef due to adenosine deaminase defic
        • D81.32 - Adenosine deaminase 2 deficiency
        • D81.39 - Other adenosine deaminase deficiency
        • D81.4 - Nezelof's syndrome
        • D81.5 - Purine nucleoside phosphorylase [PNP] deficiency
        • D81.6 - Major histocompatibility complex class I deficiency
        • D81.7 - Major histocompatibility complex class II deficiency
        • D81.8 - Other combined immunodeficiencies
        • D81.81 - Biotin-dependent carboxylase deficiency
        • D81.810 - Biotinidase deficiency
        • D81.818 - Other biotin-dependent carboxylase deficiency
        • D81.819 - Biotin-dependent carboxylase deficiency, unspecified
        • D81.82 - Activated Phosphoinositide 3-kinase Delta Syndrome [APDS]
        • D81.89 - Other combined immunodeficiencies
        • D81.9 - Combined immunodeficiency, unspecified
        • D83 - Common variable immunodeficiency
        • D83.0 - Com variab immunodef w predom abnlt of B-cell nums & functn
        • D83.1 - Com variab immunodef w predom immunoreg T-cell disorders
        • D83.2 - Common variable immunodef w autoantibodies to B- or T-cells
        • D83.8 - Other common variable immunodeficiencies
        • D83.9 - Common variable immunodeficiency, unspecified
        • D84 - Other immunodeficiencies
        • D84.0 - Lymphocyte function antigen-1 [LFA-1] defect
        • D84.1 - Defects in the complement system
        • D84.8 - Other specified immunodeficiencies
        • D84.81 - Immunodeficiency due to conditions classified elsewhere
        • D84.82 - Immunodeficiency due to drugs and external causes
        • D84.821 - Immunodeficiency due to drugs
        • D84.822 - Immunodeficiency due to external causes
        • D84.89 - Other immunodeficiencies
        • D84.9 - Immunodeficiency, unspecified
        • D86 - Sarcoidosis
        • D86.0 - Sarcoidosis of lung
        • D86.1 - Sarcoidosis of lymph nodes
        • D86.2 - Sarcoidosis of lung with sarcoidosis of lymph nodes
        • D86.3 - Sarcoidosis of skin
        • D86.8 - Sarcoidosis of other sites
        • D86.81 - Sarcoid meningitis
        • D86.82 - Multiple cranial nerve palsies in sarcoidosis
        • D86.83 - Sarcoid iridocyclitis
        • D86.84 - Sarcoid pyelonephritis
        • D86.85 - Sarcoid myocarditis
        • D86.86 - Sarcoid arthropathy
        • D86.87 - Sarcoid myositis
        • D86.89 - Sarcoidosis of other sites
        • D86.9 - Sarcoidosis, unspecified
        • D89 - Oth disorders involving the immune mechanism, NEC
        • D89.0 - Polyclonal hypergammaglobulinemia
        • D89.1 - Cryoglobulinemia
        • D89.2 - Hypergammaglobulinemia, unspecified
        • D89.3 - Immune reconstitution syndrome
        • D89.4 - Mast cell activation syndrome and related disorders
        • D89.40 - Mast cell activation, unspecified
        • D89.41 - Monoclonal mast cell activation syndrome
        • D89.42 - Idiopathic mast cell activation syndrome
        • D89.43 - Secondary mast cell activation
        • D89.44 - Hereditary alpha tryptasemia
        • D89.49 - Other mast cell activation disorder
        • D89.8 - Oth disrd involving the immune mechanism, NEC
        • D89.81 - Graft-versus-host disease
        • D89.810 - Acute graft-versus-host disease
        • D89.811 - Chronic graft-versus-host disease
        • D89.812 - Acute on chronic graft-versus-host disease
        • D89.813 - Graft-versus-host disease, unspecified
        • D89.82 - Autoimmune lymphoproliferative syndrome [ALPS]
        • D89.83 - Cytokine release syndrome
        • D89.831 - Cytokine release syndrome, grade 1
        • D89.832 - Cytokine release syndrome, grade 2
        • D89.833 - Cytokine release syndrome, grade 3
        • D89.834 - Cytokine release syndrome, grade 4
        • D89.835 - Cytokine release syndrome, grade 5
        • D89.839 - Cytokine release syndrome, grade unspecified
        • D89.84 - IgG4-related disease
        • D89.89 - Oth disrd involving the immune mechanism, NEC
        • D89.9 - Disorder involving the immune mechanism, unspecified