A3
Hemochromatosis
B8
Addison disease, Myasthenia Gravis
B27
Psoriatic arthritis, Ankylosing spondylitis, IBD-associated arthritis, Reactive arthritis (formerly Reiter syndrome)
PAIR - AKA seronegative arthropathies
DQ2/DQ8
Celiac disease
DR2
MS, hay fever, SLE, Goodpasture syndrome
DR3
DM 1, SLE, Graves Disease, Hashimoto Thyroiditis, Addison dz
DR4
Rheumatoid arthritis, DM 1, Addison disease (4 walls in a room)
DR5
Pernicious anemia –> Vit B12 def, Hashimoto thyroiditis