Commonwealth of Massachusetts MassHealth Provider Manual Series Subchapter Number and Title Table of Contents Page v All Provider Manuals Transmittal Letter ALL-165 Date 05/26/09 5. Administratrive and Billing Instructions Part 1. Eligibility 5.1-1 Part 2. Prior Authorization 5.2-1 Part 3. Billing MassHealth 5.3-1 Part 4. Required Forms and Documentation 5.4-1 Part 5. Claim Status and Payment 5.5-1 Part 6. Claim status and Correction 5.6-1 Part 7. Other Insurance 5.7-1