Different labs use different ranges. I have seen two distinct ranges for B6 posted here. One is lower and one is higher.
It has something to do with the calibration of the instruments etc.
Have them give the ranges with your results, always.
__________________
All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
************************************
.
Weezie looking at petunias 8.25.2017
****************************
These forums are for mutual support and information sharing only. The forums are not a substitute for medical advice, diagnosis or treatment provided by a qualified health care provider. Always consult your doctor before trying anything you read here.