Medical Abbreviations and Acronyms

1. HCTERS
   Human Cell and Tissue Establishment Registration System
2. HCTRS
   Human Cell and Tissue Establishment Registration System
3. HCTRS
   Human Cell and Tissue Establishment Registration System (usually seen as HCTERS)
4. HFEB (CDRH)
   Human Factors Engineering Branch (CDRH)
5. HNK cells
   human neonatal kidney cells
6. HTRB (CBER)
   Human Tissue and Reproduction Branch (CBER)
7. IAB (CDRH)
   Information and Analysis Branch (CDRH)
8. IAB (ORA)
   Infrastructure Applications Branch (ORA)
9. IAS (OC)
   International Agreements Staff (OC)
10. IAST (CFSAN)
    International Activities Staff (CFSAN)
11. IAVG
    Interagency Vaccine Group
12. IB (CFSAN)
    Immunobiology Branch (CFSAN)
13. IB (ORA)
    International Branch (ORA)
14. IBB (CFSAN)
    Instrumentation and Biophysics Branch (CFSAN)
15. IBR (CFSAN)
    Import Branch (CFSAN)
16. ICB (CDRH)
    Inspection and Compliance Branch (CDRH)
17. ICB (CFSAN)
    Implementation and Compliance Branch (CFSAN)
18. ICIB (CDRH)
    Intraocular and Corneal Implants Branch (CDRH)
19. ICLAS
    International Council for Laboratory Animal Science
20. IDE (CDRH)
    Investigational Device Exemptions Sections (CDRH)

Last updated: May 2, 2025 — Total entries: 207,332