Commonwealth of Massachusetts Division of Medical Assistance Provider Manual Series SUBCHAPTER NUMBER AND TITLE TABLE OF CONTENTS PAGE vi DAY HABILITATION PROGRAM MANUAL TRANSMITTAL LETTER DHP-19 DATE 01/08/99 6. SERVICE CODES AND DESCRIPTIONS Explanation of Definitions 6-1 Service Codes and Descriptions 6-1 Appendix A. DIRECTORY A-1 Appendix B. ENROLLMENT CENTERS B-1 Appendix C. THIRD-PARTY LIABILITY CODES C-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