Commonwealth of Massachusetts MassHealth Provider Manual Series Subchapter Number and Title Table of Contents Page vi Independent Nurse Manual Transmittal Letter IN-26 Date 06/15/08 6. Service Codes and Descriptions Explanation of Abbreviation 6-1 Definitions 6-1 Service Codes and Descriptions: Individual Patient Nursing 6-1 Service Codes and Descriptions: Multiple-Patient Nursing 6-1 Service Codes and Descriptions: Overtime 6-2 Appendix A. Directory A-1 Appendix B. Enrollment Centers B-1 Appendix C. Third-Party-Liability Codes C-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/PPHSD Screening Services Codes Z-1