| CAH | Consumer Action Handbook | unable to verify |
| CPP | Clean Power Plan | repealed 2019 |
| CRP | Community Resilience Panel for Buildings and Infrastructure Systems | terminated |
| DMEP | Division of Metabolism and Endocrinology Products | merged into DGE - Division of General Endocrinology |
| DPARP | Division of Pulmonary, Allergy, and Rheumatology Products | merged into DRTM - Division of Rheumatology and Transplant Medicine |
| ECD | Environmental Compliance Division | unable to verify; possibly changed to ECP - Environmental Compliance Program |
| FRG | First Responders Group | unable to verify; replaced by First Responder Technologies |
| I-FAST | Innovations in Food and Agriculture Science and Technology Prize Competition | unable to verify |
| OAS | Office of Appraisal Services | merged into AVSO - Appraisal and Valuation Services Office |
| ODE II | Office of Drug Evaluation II | unable to verify |
| OVS | Office of Valuation Services | merged into AVSO - Appraisal and Valuation Services Office |
| SED | Safety Enforcement Division | changed to Safety Enforcement |
| TRP | Tribal Climate Resilience Program | reverted back to TCRP - Tribal Climate Resilience Program |
| UAC | Unaccompanied Alien Children | changed to UC - Unaccompanied Children |
