HIPAA Preamble and Regulations TOC

HIPAA Preamble and Regulations Table of Contents

Final Preamble part 1 - Standards for privacy (these rules cover you if you maintain health information electronically and allow it to be printed on paper)
Final Preamble part 2 - Section by section rule description
Final Preamble part 3 - Section by section comments
Final regulations - actual text of regulations, Parts 160 and 164.

If you send data electronically, then the following Transaction regs apply to you:
If you maintain health information electronically, the following Security parts apply to you:

CFR 45 Part 142 (proposed)

If you allow that information to be printed on paper, the following Privacy parts apply to you:

Part 160, all subparts (Final)
Part 164 subpart E (Final)

Some good sites to get more info:

DHHS Administrative Simplification
HIPAAdvisory.com
US Code (Federal Register, and lots of other stuff)
US Code at the Federal House website
US Code at Cornell