A Acquired hemophilia Acquired red cell aplasia Acquired von Willebrand's disease (AvWD) Acute disseminated encephalomyelitis (ADEM) Allogeneic bone marrow or stem cell transplantation Autoimmune hemolytic anemia (AIHA) Autoimmune neutropenia

C Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)

F Fetal/Neonatal alloimmune thrombocytopenia (F/NAIT)

G Guillain-Barré syndrome (GBS) including Miller Fisher syndrome and other variants

H Hematopoietic Stem Cell Transplant in primary immunodeficiencies Hemolytic Disease of the Fetus and Newborn (HDFN) Hemolytic transfusion reaction (HTR) Hemolytic transfusion reaction in sickle cell disease (HTRSCD)

I Idiopathic Inflammatory myopathy (IIM) Includes Dermatomyositis and Polymyositis *does not include Inclusion Body Myositis (IBM) Immune thrombocytopenia (ITP) Adult Immune thrombocytopenia (ITP) Pediatric Invasive Group A streptococcal fasciitis with associated toxic shock

J Juvenile Idiopathic Inflammatory Myopathy (J-IIM) (Previously Juvenile Dermatomyositis)

K Kawasaki Disease Kidney transplant from living donor to whom the patient is sensitized

L Lambert-Eaton myasthenic syndrome (LEMS)

M Multifocal motor neuropathy (MMN) Myasthenia gravis (MG)

N N-methyl-D-aspartate (NMDA) encephalitis

P Pediatric Autoimmune Neuropsychiatric Disorders Associated With Streptococcal Infections (PANDAS) Pemphigus Vulgaris (PV) and Variants Peri-Transplant (heart, lung, kidney, pancreas) Post-transfusion purpura (PTP) Post-Transplant Pre-Transplant (heart) Primary Immune Deficiency (PID) Secondary Immune Deficiency (SID)

R Rasmussen's encephalitis

S Staphylococcal toxic shock Stiff Person's syndrome

T Toxic epidermal necrolysis (TEN) / Stevens-Johnson syndrome (SJS)

V Virus associated hemaphagocytic syndrome (VAHS)