<<I am now weighing less that when I became pregnant (104lbs), have low
blood
pressure 80/45 and my fingers and face look yellow.  I also have an achy
feeling in my kidney area.>>

Low blood pressure can be a sign of underactive adrenals.  Do you get dizzy
when you stand up?

Yellowish skin can be a sign of liver problems, including hepatitis.
Different sets of liver enzymes can be assessed through a blood test.

Carrot-colored palms is sometimes associated with hypothyroid (but so is
weight gain and lethargy, which doesn't appear to be the case here).

Rob