Excludes 2: -certain conditions originating in the perinatal period (P04-P96) -certain infectious and parasitic diseases (A00-B99) -complications of pregnancy, childbirth and the puerperium (O00-O9A) -congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) -endocrine, nutritional and metabolic diseases (E00-E88) -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)