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O -
O&M Orientation and Mobility
OASDI Old Age Survivors Disability Insurance
OBL Obligation
OCAN Office on Child Abuse and Neglect
OCC Office of Child Care
OCD Obsessive-Compulsive Disorder
OCS Office of Customer Service
OCSS Office of Child Support Services
OD Office of Disability or Office of Diversity
ODD Oppositional Defiant Disorder
ODIO Office of Disability and International Operations
ODO Office of Disability Operations
OFA Office of Family Assistance
OGC Office of General Counsel
OHA Office of Hearing and Appeals
OHD Office of Human Development
OHDS Organized Health Care Delivery System
OHS Office of Head Start
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OI Overissuance
OIB Older Individuals who are Blind
OIG Office of the Inspector General
OJA Office of Judicial Administration
OJE On-the-Job Evaluation
OJJDP Office of Juvenile Justice and Delinquency Prevention
OJT On-the-Job Training
OMB Office of Management and Budget
OOE Other Operating Expenses
OOS Order of Selection or Out of State
OP Outpatient or Overpayment
OPIR Office of Program and Integrity Reviews
OPPLA Other Planned Permanency Living Arrangements
OPS Office of Personnel Services
OSP Office Service Provider
OT Occupational Therapist
OTC Over-the-Counter
OTR Operational Trouble Report
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