Commonwealth of Massachusetts MassHealth Provider Manual Series Subchapter Number and Title Table of Contents Page vi Adult Foster Care Manual Transmittal Letter AFC-17 Date 05/05/17 6. Service Codes and Descriptions 6-1 Appendix A. Directory A-1 Appendix B. Reserved B-1 Appendix C. Third-Party-Liability Codes C-1 Appendix T. CMSP-Covered Codes T-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 Protocol and Periodicity Schedule……………………. W-1 Appendix X. Family Assistance Copayments and Deductibles X-1 Appendix Y. REVS Codes/Messages Y-1 Appendix Z. EPSDT Services Laboratory Codes Z-1