The most frequent laboratory findings were leukopenia (87.5%), thrombocytopenia (59.4%), and abnormal liver test results (62.5% of patients had >1 abnormal liver test result, most often elevated aspartate aminotransferase [AST, 55.0%] and alanine aminotransferase [ALT, 26.3%]) (Table 2). The gene discussed is GPT; the disease is Decreased total leukocyte count.