Serum chemistry was notable for mild hyponatremia (Na+ 134 mmol/L; reference: 135-145 mmol/L), normal glucose (4.9 mmol/L; reference: 3.9-5.6 mmol/L), and mildly elevated hepatic transaminases, including aspartate transaminase (AST) of 42 U/L (reference: 10-40 U/L) and alanine transaminase (ALT) of 38 U/L (reference: 7-35 U/L). This evidence concerns the gene GPT and Hyponatremia.