Commonwealth of Massachusetts MassHealth Provider Manual Series Subchapter Number and Title Table of Contents Page vi Acute Outpatient Hospital Manual Transmittal Letter AOH-29 Date 07/01/12 6. Service Codes Introduction 6-1 Nonpayable CPT Codes 6-1 Payable Level II HCPCS Codes 6-11 Modifiers 6-12 Appendix A. Directory A-1 Appendix B. Enrollment Centers B-1 Appendix C. Third-Party-Liability Codes C-1 Appendix D. Utilization Management Program D-1 Appendix E. Admission Guidelines E-1 Appendix F. Revenue Codes F-1 Appendix U. DPH-Designated Serious Reportable Events That Are Not Provider Preventable Conditions……………………………………………………………………………… U-1 Appendix V. MassHealth Billing Instructions for Provider Preventable Conditions………………. V-1 Appendix W. EPSDT Services: Medical and Dental Protocols and Periodicity Schedules W-1 Appendix X. Family Assistance Copayments and Deductibles X-1 Appendix Y. EVS Codes/Messages Y-1 Appendix Z. EPSDT/PPHSD Screening Services Codes Z-1