The ICD-9 code range OTHER METABOLIC AND IMMUNITY DISORDERS for 270-279 is medical classification list by the World Health Organization (WHO).
Disorders of amino-acid transport and metabolism
Disorders of carbohydrate transport and metabolism
Disorders of lipoid metabolism
Disorders of plasma protein metabolism
Gout
Gouty arthropathy
Gouty nephropathy
Gout with other specified manifestations
Disorders of mineral metabolism
Disorders of iron metabolism
Disorders of calcium metabolism
Disorders of fluid electrolyte and acid-base balance
Volume depletion disorder
Fluid overload disorder
Other and unspecified disorders of metabolism
Cystic fibrosis
Amyloidosis
Other specified disorders of metabolism
Primary carnitine deficiency
Carnitine deficiency due to inborn errors of metabolism
Iatrogenic carnitine deficiency
Other secondary carnitine deficiency
Disorders of fatty acid oxidation
Peroxisomal disorders
Disorders of mitochondrial metabolism
Tumor lysis syndrome
Other specified disorders of metabolism
Obesity and other hyperalimentation
Disorders involving the immune mechanism
Deficiency of humoral immunity
Hypogammaglobulinemia, unspecified
Selective IgA immunodeficiency
Selective IgM immunodeficiency
Other selective immunoglobulin deficiencies
Congenital hypogammaglobulinemia
Immunodeficiency with increased IgM
Common variable immunodeficiency
Other deficiency of humoral immunity
Deficiency of cell-mediated immunity
Autoimmune disease not elsewhere classified
Disorders involving the immune mechanism : Graft-versus-host disease