Here is a link to a Medicare presentation on billing Diabetic shoes:
Two blogs from Podiatry Today on how to bill Diabetic shoes:
http://www.podiatrytoday.com/secrets-billing-diabetic-shoes
http://www.podiatrytoday.com/article/4623
How to bill Diabetic Shoes at a Skilled Nursing Facility:
How to post the modifiers when billing diabetic shoes:
http://www.aapc.com/memberarea/forums/showthread.php?t=25529
An article in Lower Extremity Review on making sure you get the most of the Diabetic Shoe bill: