AAPC answers a question on using -59 modifier to bill both Callous and Nail Debridement:
http://www.aapc.com/memberarea/forums/showthread.php?t=32594
The question on how to bill Nail debridement and Callous debridement as a non bundled procedure using a Q code and -59 modified
http://www.aapc.com/memberarea/forums/showthread.php?t=75222
Presentation from Medicare on billing callouses:
Billing Guide from CMS on how to bill corns and callouses:
http://www.medicarenhic.com/providers/pubs/Foot%20Care%20Billing%20Guide.pdf
Presentation on simplifying Corns and Callouses billing:
http://skin.ezinemark.com/icd-9-coding-700-basics-simplify-corn-and-callus-coding-7d320ef1fb4e.html
Forms on billing Nail Care and Callous debridement:
http://www.iepg.com/forms/nailtrimming.pdf
Awesome simple chart on billing nails and callouses