| Abbreviation | Definition |
|---|---|
| LERN | Library Electronic Reference Network |
| LESTD(CBER) | Laboratory of Enteric and Sexually Transmitted Diseases (CBER) |
| LF | Low Frequency |
| LF1 | Low-value Food or Food-related products, level 1 (less than $200) |
| LF2 | Low-value Food or Food-related products, level 2 (between $200 and $500) |
| LF3 | Low-value Foor or Food-related products, level 3 (between $500 and $1000) |
| LGA | large for gestational age |
| LH(CBER) | Laboratory of Hemostasis (CBER) |
| LHREA | Laboratory of Hepatitis and Related Emerging Agents |
| LHREA(CBER) | Laboratory of Hepatitis and Related Emerging Agents (CBER) |
| LHV | Laboratory of Hepatitis Viruses |
| LHV(CBER) | Laboratory of Hepatitis Viruses (CBER) |
| LI | Learned Intermediary |
| LIB | Laboratory of ImmunoBiochemistry |
| LIB(CBER) | Laboratory of Immunobiochemistry (CBER) |
| LIMS | Laboratory Information Management System |
| LIR | Laboratory of ImmunoRegulation |
| LIR(CBER) | Laboratory of Immunoregulation (CBER) |
| LM | Listeria Monocytogenes |
| LMD(CBER) | Laboratory of Method Development (CBER) |