Rest assured that you will be getting the most current and complete collection of HCPCS Level II codes the HCPCS Level II Expert pulls codes from all of the sources that generate HCPCS codes, including CMS, OPPS addendum B and the physician fee schedule. Not only does this book have an expanded table of drugs and an expanded index, but Ingenix is the only publisher to put the drug names right under the code descriptions to make it easier for you to find the code you're looking for.