HCPCS Level II

1. HCPCS overview

   Level I (CPT) vs Level II national codes and who maintains them.

2. Alpha-numeric HCPCS file

   Quarterly files of A-V codes: supplies, drugs (J), DME (E), transport (A).

3. Quarterly updates

   Quarterly code additions, deletions and effective dates.

4. ASP drug pricing

   Average Sales Price files for J-codes and NDC crosswalk.

5. DMEPOS fee schedule

   Fee schedules for durable medical equipment codes.

6. Modifiers

   HCPCS modifiers such as RT, LT, JW, JZ and KX.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.