Gamma Glutamyl Transferase SI Normal Ranges (All Ages) (methodology):
   Black (African-American) Female Normal Range
   Black (African-American) Male Normal Range
   Hispanic (Mexican-American) Female Normal Range
   Hispanic (Mexican-American) Male Normal Range
   White Female Normal Range
   White Male Normal Range

Gamma Glutamyl Transferase US Conversion Normal Ranges (All Ages) (methodology):
   Black (African-American) Female Normal Range
   Black (African-American) Male Normal Range
   Hispanic (Mexican-American) Female Normal Range
   Hispanic (Mexican-American) Male Normal Range
   White Female Normal Range
   White Male Normal Range

Gamma Glutamyl Transferase System Internationale Normal Ranges (vs. Waist Circumference):
   Black (African-American) Female Normal Range
   Black (African-American) Male Normal Range*
   Hispanic (Mexican-American) Female Normal Range
   Hispanic (Mexican-American) Male Normal Range*
   White Female Normal Range
   White Male Normal Range*

Gamma Glutamyl Transferase US Conversion Normal Ranges (vs. Waist Circumference):
   Black (African-American) Female Normal Range
   Black (African-American) Male Normal Range*
   Hispanic (Mexican-American) Female Normal Range
   Hispanic (Mexican-American) Male Normal Range*
   White Female Normal Range
   White Male Normal Range*

                                                               *: only available for paid members; sign up to view