TRICARE Reimbursement Manual 6010.61-M, April 1, 2015 Revision: C-20, May 24, 2018 For Definitions, see the TRICARE Operations Manual (TOM), Appendix A. Foreword Chapter 1 - General Chapter 2 - Beneficiary Liability Chapter 3 - Operational Requirements Chapter 4 - Double Coverage Chapter 5 - Allowable Charges Chapter 6 - Diagnosis Related Groups (DRGs) Chapter 7 - Mental Health Chapter 8 - Skilled Nursing Facilities (SNFs) Chapter 9 - Ambulatory Surgery Centers (ASCs) Chapter 10 - Birthing Centers Chapter 11 - Hospice Chapter 12 - Home Health Care (HHC) Chapter 13 - Outpatient Prospective Payment System (OPPS)-Ambulatory Payment Classification (APC) Chapter 14 - Sole Community Hospitals (SCHs) Chapter 15 - Critical Access Hospitals (CAHs) Chapter 16 - Long-Term Care Hospitals (LTCHs) Chapter 17 - Inpatient Rehabilitation Facilities (IRFs)