| Abbreviation | Definition |
|---|---|
| SHIE | State Health Information Exchange |
| SHOP | Small Business Health Options Program |
| SIA | Strip Immunoblot Assay |
| SIB(CDRH) | Special Investigations Branch (CDRH) |
| SID | Schedule IDentifier number |
| SID | schedule identifier number (ORA AofC code) |
| SID | Source To Image Distance |
| SIDS | Sudden Infant Death Syndrome |
| SIF | Seafood HACCP Importer Form |
| SIG | Strategic Implementation Group |
| SIMCEN | National Exercise Simulation Center |
| SIMT | Scientific, Internet/Intranet and Middle Tier (CFSAN) |
| SIMT | Scientific, Internet/Intranet, and Middle Tier |
| SIP | sterilization in place |
| SIP | Summer Internship Program |
| SIP | Survey of Institutionalized Persons |
| SIR | Society of Interventional Radiology |
| SIR | Society of Interventional Radiology (formerly SCVIR) |
| SIREN | Scientific Information Retrieval and Exchange Network |
| SIREN | Scientific Information Retrieval and Exchange Network (CFSAN) |