- Evidence of hematologic, rheumatologic, or immunologic disease, as indicated by (any of the following) white blood cell count <3.0 thous./cu.mm, white blood cell count >11.0 thousand/cu.mm, neutropenia (<1500/cu.mm), hemoglobin outside laboratory normal range, history of more than 3 hospitalizations for invasive bacterial infections (pneumonia, meningitis), acute or chronic dermatitis (e.g., eczema, seborrhea, psoriasis) or collagen vascular disease [e.g., systemic lupus erythematosus (SLE) or dermatomyositis].