Labs were notable for a new anemia (hemoglobin 10.9 g/dL), thrombocytopenia (41 × 109 cells/L), hyponatremia (123 mmol/L), and an elevated aspartate aminotransferase and alanine aminotransferase (93 and 97 U/L, respectively). The gene discussed is GPT; the disease is anemia.