Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Excludes 2: -autoimmune disease (systemic) NOS (M35.9) -certain conditions originating in the perinatal period (P00-P96) -complications of pregnancy, childbirth and the puerperium (O00-O9A) -congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) -endocrine, nutritional and metabolic diseases (E00-E88) -human immunodeficiency virus [HIV] disease (B20) -injury, poisoning and certain other consequences of external causes (S00-T88) -neoplasms (C00-D49) -symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)