Should I Be Concerned About Slightly Elevated Absolute Monocyte Count When Diagnosed With Hereditary Hemochromatosis?

my 15 year old son just had blood work done and he has hereditary hemochromitosis as do i as his mom .. but his labs came back with absolute monocytes high 976 . and the doctor said all blood work was normal .. should i be concerned .. when normal rage is 200-900